SAM #N0010426QZA98

This opportunity from NAVSUP Weapon Systems Support Mechanicsburg (NAVSUP WSS MECH) seeks a specialized parts kit for a shipboard ball valve system. - Government Buyer: - Department of Defense, Department of the Navy, NAVSUP WSS MECH - OEMs and Vendors: - Marotta Scientific Controls, Inc. (drawing 234648) - Chemours Company (formerly DuPont) for Teflon coatings - Products Requested: - Parts kit for 2 1/2 inch ball valve - One ball (piece 4), Teflon-coated, made from SAE AMS-QQ-S-763, Class 304, Condition A stainless steel - Two mating seats (piece 23), made from Torlon 4503, 4203, or 4203L (unfilled polyamide-imide) per Electric Boat Specification 4147, or Ultem 1000 (unreinforced polyetherimide) with specified ASTM properties - Chemours Teflon coatings 850G-204 and 852G-201 specified; alternatives allowed until exhausted - Unique/Notable Requirements: - Strict material certification and traceability - Quality assurance standards: ISO 9001 or MIL-I-45208 - Testing requirements: intergranular corrosion, non-destructive tests - SPECIAL EMPHASIS material designation for critical shipboard application - Special control procedures and certification documentation required - Place of Performance and Delivery: - Portsmouth Naval Shipyard (military base) - NAVSUP WSS MECH, Mechanicsburg, PA (contracting office) - No specific purchase quantity stated in the solicitation

Item Unique Identification and Valuation (Jan 2023) Higher-Level Contract Quality Requirement (Dec 2014): ISO 9001 Inspection of Supplies--Fixed-Price (Aug 1996) Wide Area Workflow Payment Instructions (Jan 2023): Stand-Alone Receiving Report - Certifications; Combo Receiving Report & Invoice - Material; N00104; N39040 - Certifications; S4306A - Material; N50286; 136; See DD14 23; PORT_PTNH_WAWF_NOTIFICATION@NAVY.MIL Navy Use of AbilityOne Support Contractor - Release of Offeror Information (3-18): WSS Warranty of Supplies of a Noncomplex Nature (June 2003): One year from date of delivery Buy American-Free Trade Agreements-Balance of Payments Program-Basic (Feb 2024) Small Business Subcontracting Plan (DoD Contracts)-Basic (Dev 2026-O0037)(Feb 2026) Warranty of Data-Basic (Deviation 2026-O0035) (Feb 2026) Contractor Purchasing System Administration-Basic (Deviation 2026-O0015) Security Prohibitions and Exclusions (Class Deviation 2026-O0025)(Feb 2026) Buy American-Free Trade Agreements-Balance of Payments Program Certificate-Basic (Feb 2024) Buy American-Balance of Payments Program Certificate-Basic (Feb 2024) Alternate A, Annual Representations and Certifications (Deviation 2026-O0043)(Feb 2026) Notice of Priority Rating for National Defense, Emergency Preparedness, and Energy Program Use (April 2008): This solicitation is being issued under emergency acquisition flexibilities. The resultant award of this solicitation will be issued bilaterally, requiring the contractor's written acceptance prior to execution. Any contract/order awarded as a result of this solicitation will be a "DO" rated order certified for national defense use under the Defense Priorities and Allocations System (DPAS). Only those sources with an acceptable Quality Assurance Manual are eligible for award under this solicitation (see WSSTERMLZ02). If drawings are included in the solicitation, access must be requested on the individual solicitation page on Contract Opportunities via the Government's SAM.gov website. Include your cage code with your request. Unless otherwise stated on the DD 1423, submission of ALL DD form 1423 certification data (CDRLs) will be on or before 20 days prior to the material (line item 0001AA) delivery date. PNSY review/acceptance of CDRLs shall be 6 working days after receipt of CDRLs. Final delivery of material will be on or before TBD days after the effective date of the contract. 1. Scope The material covered in this contract/purchase order will be used in a crucial shipboard system. The use of incorrect or defective material would create a high probability of failure resulting in serious personnel injury, loss of life, loss of vital shipboard systems, or loss of the ship itself. Therefore, the material has been designated as SPECIAL EMPHASIS material (Level I, Scope of Certification, or Quality Assured) and special control procedures are invoked to ensure receipt of correct material. 2. Applicable Documents 2.1 Applicable Documents - The document(s) listed below form a part of this contract/purchase order including modifications or exclusions. 2.1.1 "Document References" listed below must be obtained by the Contractor. Ordering information is included as an attachment to this contract/purchase order. 2.1.2 Specification Revisions - The specification revisions listed under "Documents References" below are the preferred revision. Older and/or newer revisions are acceptable when listed within Contract Support Library Reference Number CSD155 in ECDS (Electric Contractor Data Submission) at: https://register.nslc.navy.mil/. This is to allow Contractors to use certain acceptable older specification revisions to purge their existing stock of material certified to those older revisions or to use newer specification revisions when material is certified to newly released revisions, without requiring the submittal of waiver/deviation requests for each specification revision on every contract. Revisions of specifications reflecting editorial and/or re-approval (e.g. E2009, R2014, etc.) are considered inconsequential, but are acceptable when their revisions are listed within CSD155 or elsewhere within this contract. 2.1.3 The documents and drawings listed below under DRAWING NO. are not provided with this Contract/Purchase order. DRAWING NOCAGEREVDISTR CD 23464899657R3B 2.2 Order of Precedence - In the event of a conflict between the text of this contract/purchase order and the references and/or drawings cited herein, the text of this contract/purchase order must take precedence. Nothing in this contract/purchase order, however, must supersede applicable laws and regulations unless a specific exemption has been obtained. Document Reference Data ANSI/ASQ Z1.4 (080101) Revision A MIL-STD-792 (230223) Revision A, Distribution 01 ISO 9001 (081115) Revision A ISO10012 (030415) Revision A ISO/IEC 17025 (050515) Revision A MIL-I-45208 (810724) Revision A, Distribution 1 MIL-STD-45662 (880801) Revision A SAE AMS-QQ-S-763 (150301) Revision A ANSI/NCSL Z540.3 (130326) Revision A 0900-LP-001-7000 (810101) Revision C, Distribution 01 S9074-AQ-GIB-010/248 (191112) Revision A S9074-AR-GIB-010A/278 (CHG A) (130214) Revision A 3. Requirements 3.1 Parts kit for a size 2 1/2 inch Ball Valve, consisting of one Ball, piece 4, and two mating Seats, piece 23, on MAROTTA SCIENTIFIC CONTROLS, INC drawing 234648, except as amplified or modified; 3.2 Material for Parts Requiring Certification - Quantitative chemical and mechanical analysis is required for the parts listed below unless specifically stated otherwise: PartMaterial BALL (Q3), Item 4SAE AMS-QQ-S-763, Class 304, Condition A SEAT (Q3), Item 23Torlon 4503, 4203, or 4203L (unfilled polyamide-imide) per Electric Boat Specification 4147. (Certificate of Compliance only is required) SEAT (Q3), Item 23Ultem 1000 (unreinforced polyetherimide) (Properties Specified Below Only) Ultem 1000 Properties ItemPropertyASTM Test MethodValue ATensile StrengthD63815,000 PSI MIN BRockwell HardnessD785M112 +/-4 CSpecific GravityD7921.27 +/- 0.02 DWater Absorption (24 Hours)D5700.25% MAX EIZOD Impact Strength Notched 1/8"D2560.5 FT-LBS/IN MIN AVE. Note: Seats supplied under this contract must be manufactured from one type of material only. Mixed quantities of seats manufactured from Torlon and Ultem are unacceptable. 3.3 Nominal Seat Thickness for the Seat Piece 23 on Marotta drawing 234648 shall be 0.688; 3.4 Testing Certification - Certifications are required for the following tests on the items listed below. Additional testing on other piece parts (if any) per applicable drawings and specifications is still required, but certifications are only required as listed below. Test: Intergranular Corrosion Test (Only for SAE-AMS-QQ-S-763, Classes 304-condition A, 304L, 316-condition A, 316L, 317-condition A, 321 and 347 material. Test must be performed prior to fabrication/machining) Item: BALL (Q3), Item 4 Performance: SAE-AMS-QQ-S-763 Acceptance: SAE-AMS-QQ-S-763 Test: Non-Destructive Tests Item: Weld Repair and/or Production Weld (as applicable) Performance: Per applicable fabrication specification Acceptance: Per applicable fabrication specification 3.5 Ball, Item 4 on Drawing 234648, is to be Teflon coated and not hard chrome plated. 3.6 Certificate of Compliance - (SPECIAL EMPHASIS MATERIAL) The Contractor must prepare and submit a certificate of compliance certifying that the items/components furnished under this contract comply with the requirements of the procurement document, including any/all invoked specifications and drawings. 3.7 Ball Spherical Surface Waviness - Unless otherwise specified on drawing, all sealing area surfaces must have a spherical surface waviness which does not exceed 0.0005 inches of height per inch of spherical surface. Roughness and waviness ratings must apply in a direction which yields the maximum rating, normally perpendicular to the lay. 3.8 Surface waviness must be verified before Teflon coating. 3.9 Chemours Company (formerly DuPont) Teflon Coating 850G-204 and 852G-201. Use of Chemours Company (formerly DuPont) Teflon Coating 851N-204 and 852N-201 is acceptable until exhausted - Teflon coating of ball(s) must be in accordance with general note 5 of drawing 234648. 3.9.1 Naval Ordnance Systems Command OD 10362 First Revision dated 15 Aug 1961 is provided by Contract Support Library Reference Number CSD018 in ECDS at https://register.nslc.navy.mil/ 3.10 Seat Stack Height Measurement - To ensure that each seat is within tolerance, check each seat individually by measuring the seat height with the ball resting on the seat. Limits are determined by the ball diameter tolerance and the stack height tolerance combined. Refer to CSD171 for recommended methods to measure and calculate stack heights. CSD171 is available in the ECDS (Electronic Contractor Data Submission) system at: https://register.nslc.navy.mil/. 3.11 Welding or Brazing - When welding, brazing, and allied processes are required, as invoked by Section C paragraph 3 requirements, they must be in accordance with S9074-AR-GIB-010A/278, 0900-LP-001-7000 for brazing of piping and pressure vessel applications, or S9074-AQ-GIB-010/248 for brazing of other applications. For all production and repair welding and brazing personnel and procedures must be qualified under S9074-AQ-GIB-010/248 or 0900-LP-001-7000, as applicable. Procedures and Qualification Data must be submitted for review and approval prior to performing any welding or brazing. 3.12 Configuration Control - The Contractor must maintain the total equipment baseline configuration. For items of proprietary design, Contractor drawings showing the latest assembly configuration must be provided to the Government in electronic (C4) format. Definitions are provided elsewhere in the Contract/Purchase Order. 3.13 Mercury Free - Mercury and mercury containing compounds must not be intentionally added or come in direct contact with hardware or supplies furnished under this contract. Mercury contamination of the material will be cause for rejection. Quality Assurance Requirements 3.15 See CDRL DI-MISC-80678 (Test Certification) - A statement of tests performed, listing the pieces tested must be furnished along with a copy of the test results. Certification must include the contractor's name, address and date, quantity inspected, identified to the contract/purchase order and item number, and the Contractor's or authorized personnel's signature. Test certifications must reference the standard/specification, including the revision, to which the testing was performed and the acceptance criteria used. Test procedure numbers may also be referenced on test reports. Test reports on weldments must be identified to weld joint and layer. 3.16 Welding Requirements - When production or repair welding is required, the applicable welding procedure(s) and qualification data must be submitted for review and approval. In addition, the CONSUMED WELD METAL C of C as defined below must be submitted as part of the certification OQE package submitted by the Contractor. Note: These requirements do not apply to tack/spot welds when the conditions of Section 4.2.1.1 of S9074-AR-GIB-010A/278 are met. 3.17 Quality System Requirements - The Contractor furnishing items under this contract/purchase order must provide and maintain a quality system in accordance with ISO-9001 as amplified or modified herein, with the calibration system requirements of ISO-10012 or ANSI-Z540.3 with ISO-17025. A Quality System in accordance with MIL-I-45208, with the calibration system requirements of MIL-STD-45662, is acceptable as an alternate. 3.18 Contractor Inspection Requirements - The Contractor must maintain adequate records of all inspections and tests. The records must indicate the nature and number of observations made, the number and type of deficiencies found, the quantities approved and rejected and the nature of corrective action taken as appropriate. Inspection records must be traceable to the material inspected. 3.19 Subcontractor Inspection Requirements - The Government has the right to inspect at source, any supplies or services that were not manufactured or performed within the contractor's facility. Such inspection can only be requested by or under authorization of the Government representative. Any purchasing documents to a subcontractor must cite the applicable portions of the contractually invoked quality system (e.g. calibration requirements), plus any product requirements that apply to the supplies being purchased. 3.20 The prime contractor's program must include procedures to assess the capability of the prospective suppliers to produce the products or supply the services in accordance with the contract, prior to the issuance of any purchase document. 3.21 Government Furnished Material and/or Equipment (GFM/GFE) - When material or equipment is furnished by the Government, the Contractor must develop documented control procedures that require at least the following: Visual examination upon receipt to detect damage during transit. Inspection for completeness and proper type. Verification of material quality received. Periodic inspection and precautions to assure adequate storage conditions and to guard against damage from handling and deterioration during storage. Functional testing, either prior to or after installation, or both, as required by the Contract to determine satisfactory operation. Identification and protection from improper use or disposition. Reporting to the Government, any GFM or GFE property found damaged, malfunctioning, or otherwise unsuitable for use. For GFE material, and as required by the terms of the bailment agreement, the supplier must establish procedures for adequate storage, maintenance, and inspection of bailed Government material. Records of all inspection and maintenance performed on bailed property must be maintained. Material returned to the contractor must be handled as GFM. 3.22 Traceability and Certification Requirements - To assure that correct materials are installed in Level I/SUBSAFE systems, it is imperative that traceability be maintained from the material to the material certification test report and other required Objective Quality Evidence (OQE). The material certification report must completely and accurately reflect that the material supplied meets the specified requirements. Materials requiring Traceability and Certification Data are identified within Paragraph 3, Section C of this contract/purchase order. 3.23 Material Traceability - The certification data report must be identified through a unique traceability number, heat-lot number, or heat-treat number for metallic material or batch of non-metallic material, as applicable, which must also be marked on the material. This traceability marking on the material must provide direct traceability to the material's chemical composition and mechanical properties certification data. For material produced by batch, continuous cast, or continuous pour processes, samples must be taken no less than once in every eight hours of operation for the purpose of validating proper chemical composition and mechanical properties. Traceability must be maintained through all process operations including any subcontracted operations, to the finished component. 3.24 Material Certifications - The following material certification requirements apply: Metallic Material - Quantitative chemical and mechanical analysis of material traceable to traceability markings is required. Material certification test reports must include the class, form, condition, grade, type, finish, and/or composition, as applicable, of the material supplied. Non-Metallic Material - The Contractor must furnish the applicable test reports for each heat/lot/batch of seat material. Material certification test reports must include, in addition to the specification, the class, form, grade, type, process, and/or composition, as applicable, of the material supplied. Re-identification and re-certification of metallic material is required when the material is subjected to a process which alters its properties. Material certification data forwarded by the manufacturer must contain a signed certification that the report results represent the actual attributes of the material furnished and indicate full compliance with all applicable specification and contract requirements. Transcription of certification data is prohibited. Statements on material certification documents must be positive and unqualified. Disclaimers such as "to the best of our knowledge" or "we believe the information contained herein is true" are not acceptable. If material is received without the required certification papers or with incorrect/missing data on the certification papers, the material will be rejected. 3.25 Material Handling - The written material control process must include the following: All raw materials must have traceability markings (except as specified below). Stored raw materials requiring traceability must be segregated to preclude intermingling with materials not requiring traceability. When traceability markings will be removed by a manufacturing or fabrication process, the marking must be recorded prior to removal and be immediately restored upon completion of the process. Brazing or weld filler metals for strength welds forming or integral with pressure containing components or assemblies requiring traceability must be verified to be the correct material, and type or grade, as applicable, prior to consumption. Purchase orders for raw material must specify that the material be traceable to material certification test reports by traceability markings on the material and identified on the test reports. The material control process must include requirements for the maintenance of traceability for items sent out for subcontracted operations. 3.26 Receiving Inspection Products and services produced by sub-tier suppliers for incorporation in the contract end item must be subject to inspection or audit at the time of receipt by the prime prior to further processing within the prime contractor's plant or shipment to another location. Receiving Inspection must include as a minimum: Verification that the traceability marking on the material agrees with that on the certification test reports. Verification that certification test reports are legible and complete. Verification that the contents of the certification test reports are in compliance with the contractually invoked specifications and requirements. 3.27 Discrepancy Reporting - Nonconforming products must be identified and processed in accordance with the prime contractor's procedures for controlling nonconforming products. The prime contractor must report the receipt of any nonconforming products to the responsible sub-tier supplier in accordance with established procedures. Nonconforming material records will be maintained and available for review by the government Quality Assurance Representative (QAR). 3.28 Final Inspection - The following inspections must be performed prior to Government inspection and acceptance. Material Sampling - Material must be inspected for form, fit, and function. Lot acceptance must be based on zero defects and lot rejection based on one defect. The sample size must be in accordance with the sampling plan(s) in the applicable military specification or standard, federal specification or standard, or drawing to which the material was manufactured. In the absence of such sampling plans, sampling inspection must be per ANSI/ASQ-Z1.4, general inspection level II (for sample size selection code), table IIA (for sample size). Small Lot Sizes - For lot sizes of fifty or less, the minimum sample size must be eight units. For lot sizes of eight or less, the sample size must be one hundred percent of the lot. The Manufacturer may elect to use Statistical Process Control (SPC) to assure product quality in lieu of the above attribute sampling plan, provided that the SPC methodology/system used provides acceptable products to the Government. However, the Government/Navy Receipt Inspection Activity may perform their acceptance inspection of the material using the attribute sampling plan outlined above. All data concerning material verification (chemical, mechanical or physical properties), traceability (material certifications to material marking), and nondestructive test (NDT) certifications for material must be 100% inspected. The certification test reports must also be 100% inspected for completeness and legibility. All material requiring traceability must be 100% inspected for traceability marking and that the marking is legible. Sampling for certification of non-metallic material must be on the basis of one set of test specimens from each heat/lot or batch. 3.29 See CDRL DI-MISC-80678 (Special Emphasis C of C) - The certificate of compliance must show traceability to the marking applied on each individual item, and must contain the following information: Contractor's name, address and date. The contract/purchase order number (for example: N00104-11-P-FA12) The National Stock Number (NSN). The 18 character National Stock Number for Special Emphasis Material includes the two digit COG, the four digit FSC, the 9 digit NIIN, and the two digit SMIC (for example: 1H 4820 012345678 L1) ("N/A" when Not Applicable). Lubricants, sealants, anti-seize, and/or thread locking compounds ("N/A" when Not Applicable). Certification that O-rings, packing, gaskets, or other elastomeric products were installed in a compressed state within an assembly or sub-assembly, prior to expiration of the shelf life ("N/A" when Not Applicable). Manufacturer's compound number ("N/A" when Not Applicable). When weld procedure submittal is required by the contract, a statement that the approval date of the qualification data precedes any production or repair welding performed on this Contract. ("N/A" when Not Applicable). A statement to the effect that all items furnished on this contract are in full compliance with the specifications and requirements and list each contractually invoked conformance/compliance test performed by name and that it was performed satisfactorily. Contractor's or authorized personnel's signature. 4. Quality Assurance 4.1 Notes to DCMA QAR and the Contractor: Departures from Contractor imposed requirements, not specifically covered by the contract, must be judged individually on the basis of the effect, if any, on contractual requirements. When there is a disagreement between the Contractor and the Government representative as to the effect on contractual requirements, the departure must be considered a nonconformance and be submitted to the PCO for disposition. All records of departures from Contractor imposed requirements must be maintained and available for review at the Contractor's facility. A copy must be given to the local Government representative. A record of these departures, traceable to the applicable part number and contract number must be submitted to the PCO. For proprietary designs, the contractor's part numbers are acceptable for reference only. The delivered material must conform to all drawings, specifications, and other contractual requirements. It is the responsibility of DCMA QAR to review Non-Destructive Testing (NDT) procedures for NAVSUP Contracts/Purchase Orders. The ECDS (Electronic Contractor Data Submission) system is available for certain data submissions and to submit questions and clarifications, and waiver requests on Contracts and Solicitations. ECDS can be found at: https://register.nslc.navy.mil/ 5. Packaging 5.1 Preservation, Packaging, Packing and Marking - Preservation, Packaging, Packing and Marking must be in accordance with the Contract/Purchase Order Schedule and as specified below. MIL-STD 2073 Packaging applies as found elsewhere in the schedule. 6. Notes 6.1 Several definitions of terms that apply to CSI items are listed below. All terms may not apply to every item. 6.1.1 ECDS (Electronic Contractor Data Submission) The system is at: https://register.nslc.navy.mil/. This application will require advance registration using a PKI Digital Certificate on a CAC. A Vendor User Guide is available as CSD001 in the CSD (Contract Support Document) Library within ECDS. 6.1.2 Critical Safety Item (CSI) Any ship part, assembly, or support equipment containing a critical characteristic whose failure, malfunction, or absence of which could cause a catastrophic or critical failure resulting in loss of, or serious damage to the ship, or unacceptable risk of personal injury or loss of life. 6.1.3 Critical Process As determined by the TWH, any process, operation or action performed on a Ship CSI that serves to establish a critical characteristic (such as welding, soldering, machining, polishing, cleaning, or assembling) or confirm that a critical characteristic is within drawing or specification compliance (such as, testing, measurement, or non-destructive evaluation). 6.1.4 First Article Pre-production models, initial product samples, test samples produced to ensure a manufacturer's capability to meet full specification requirements. 6.1.5 First Article Test (FAT) Contractually required testing and inspection of a supplier's pre-production, production, or "production representative" specimens to evaluate a manufacturer's ability to produce conforming product prior to the Government's commitment to receive subsequent production items. First Article Testing is product specific and does not assess manufacturing process controls nor does it assure the effectiveness of the manufacturer's quality program. 6.1.6 Government Source Inspection (GSI) GSI is independent oversight performed by a government representative usually a DCMA Quality Assurance Representative (QAR) to assure that those unique product quality and system elements, identified by the Contracting Agency as important, are observed and evaluated. 6.1.7 Quality Assurance Letter of Instruction (QALI) A QALI is a formal document initiated by a contracting activity that provides essential requirements and instructions for contracted materials to be independently verified and accepted by a government representative prior to shipment. 6.1.8 Objective Quality Evidence (OQE) The quantitative and qualitative data of all mechanical, chemical, and performance tests performed (as required by the applicable specification, drawing, or purchase document) to prove that the material supplied conforms to the specified requirements. 6.1.9 Surface Discontinuity Any surface irregularity, marking, or localized change in physical character of the surface, other than dimensional, that exists infrequently at one or several places. (Examples: burrs, dents, nicks, scratches, gouges, pits, center-punches, scribes, and tool marks) Surface discontinuities less than 0.005-inch in depth are acceptable provided they do not violate any other design requirements specified in this Contract/Purchase Order. 6.1.10 Traceability Code A code or number providing traceability to the actual chemical and mechanical properties of the specified heat, batch, or form from which the material originated. 6.1.11 Verification An examination performed to determine compliance with a specific requirement. 6.1.12 Nonconformance A nonconformance is defined as affecting or violating the following: The requirements of this contract/purchase order. Contractually invoked drawings (i.e. envelope dimensions, interface dimensions with mating parts/equipment, center of gravity, weights, piece part identification, material, etc.). Contractually invoked federal, military, or commercial specifications and/or standards. Form, fit, function, performance to contract requirements, reliability, maintainability, interchangeability, safety of personnel or equipment, or additional cost to the Government. 6.1.13 Waiver A written authorization to accept an item, which during manufacture, or after having been submitted for Government inspection or acceptance, is found to depart from specified requirements, but nevertheless is considered suitable for use as is or after repair by an approved method. 6.1.14 Deviation A specific written authorization (granted prior to the manufacture of an item) to depart from a particular requirement(s) of an item's current approved configuration documentation for a specific number of units or a specified period of time, and to accept an item which is found to depart from specified requirements, but nevertheless is considered suitable for use "as is" or after repair by an approved method. 6.1.15 Critical Waiver/Deviation This waiver/deviation consists of a departure involving safety. 6.1.16 Major Waiver/Deviation This waiver/deviation consists of a departure involving: Performance Interchangeability, Reliability, Survivability, Maintainability, or Durability of the item or its repair parts Health or Safety Effective Use or Operation Weight, Stability, or Structural Integrity System design parameters as schematics, flows, pressures or temperatures Compartment arrangements or assigned function 6.1.17 Minor Waiver/Deviation This waiver/deviation consists of a departure which does not involve any of the factors listed as critical or major. 6.1.18 Engineering Change (EC) A change to the current approved configuration documentation of a configuration item at any point in the life cycle of the item. 6.1.19 Engineering Change Proposal (ECP) A proposed Engineering Change and the documentation by which the change is described, justified, and submitted to the Government for approval or disapproval.