# SAM #W911S226U4509

Dual-Wall Insulated Aluminum Spiral Duct System and Accessories for McAlester Army Ammunition Plant

**Buyer:** MICC-Ft Drum
**Posted:** September 21, 2026
**Respond By:** September 29, 2026
**Identifier:** W911S226U4509
**NAICS:** 332322, 332996, 333415, 423730

This procurement opportunity from the Mission Installation Contracting Command (MICC) at Fort Drum seeks suppliers for a dual-wall insulated aluminum spiral duct system and accessories for the McAlester Army Ammunition Plant.
- Government Buyer:
  - Department of the Army, MICC Fort Drum
  - End user: McAlester Army Ammunition Plant, Oklahoma
- Products Requested:
  - Dual-wall insulated spiral duct pipe (part number 39230), 140 units
  - 90-degree elbows (3923090), 4 units
  - 45-degree elbows (3923045), 2 units
  - Reducing lateral cross fitting (3012523), 1 unit
  - Flange system for main pipe (302406), 41 units
  - QuickDraw clamps (34241), 21 units
  - Flange for 28-inch port (286G), 1 unit
  - Flange for 12-inch ports (126G), 2 units
- Technical Requirements:
  - All items must be made of aluminum
  - Insulation: 2-inch thick fiberglass, 1.5 lbs/cu. ft. density
  - Factory installation of flanges and self-sealing gaskets required for airtight connections
  - Internal I-beam spacers every 8 inches for duct pipe
- OEMs and Vendors:
  - No specific OEMs or branded manufacturers are named; only part numbers and technical specifications are provided
- Notable Requirements:
  - Factory-installed flanges and gaskets for proper alignment and airtight seals
  - All fittings and accessories must match specified part numbers and dimensions
- Quantities and part numbers are clearly defined for each item

### Description

Salient Characteristics for the Dual-Wall Insulated Aluminum Spiral Duct System: 1. Dual-Wall Spiral Pipe Part Code: 39230 Description: Straight dual-wall, insulated spiral duct pipe. Inside Diameter: 30 inches Outside Diameter: 34 inches Wall Thickness: 0.040 inches for both inner and outer walls. Material: Aluminum. Insulation: 2-inch thick fiberglass with a density of 1.5 lbs/cu. ft. Spacers: Internal I-beam spacers every 8 inches to maintain duct separation. Quantity: 140 feet  2. 90-Degree Elbow Part Code: 3923090 Description: 90-degree bend for the duct system. Construction: 5-piece gored elbow. Inside Diameter: 30 inches Outside Diameter: 34 inches Bend Radius: 45-inch centerline radius. Material: 0.040-inch aluminum. Insulation: 2-inch thick fiberglass with a density of 1.5 lbs/cu. ft. Quantity: 4  3. 45-Degree Elbow Part Code: 3923045 Description: 45-degree bend for the duct system. Construction: 3-piece gored elbow. Inside Diameter: 30 inches Outside Diameter: 34 inches Bend Radius: 45-inch centerline radius. Material: 0.040-inch aluminum. Insulation: 2-inch thick fiberglass with a density of 1.5 lbs/cu. ft. Quantity: 2  4. Reducing Lateral Cross Fitting Part Code: 3012523 Description: A cross-shaped fitting that reduces the main duct size and has two branches. Main Inlet/Outlet: Reduces from 30 inches to 28 inches. Branches: Two 12-inch diameter branches at a 45-degree angle. Material: 0.040-inch aluminum. Quantity: 1  5. Flange System for Main Pipe Part Code: 302406 Description: Connection system (AccuFlange) for joining the 30 x34 dual-wall pipe and elbows. Function: Must be factory-installed on pipe and elbow ends for proper alignment and connection. Material: Aluminum.  Quantity: 41  6. Clamp for Connections Part Code: 34241 Description: 34-inch QuickDraw clamp to secure the outer flange connections. Sealing: Must have a built-in self-sealing rubber gasket to ensure an airtight seal. Material: Aluminum.  Quantity: 21  7. Flange for 28-inch Port  Part Code: 286G  Description: 28-inch aluminum flange. Function: Must be factory-installed on the 28-inch outlet of the reducing cross fitting. Quantity: 1  8. Flange for 12-inch Ports Part Code: 126G Description: 12-inch aluminum flange. Function: Must be factory-installed on the two 12-inch branches of the reducing cross fitting. Quantity: 2 <br/><br/><br/><strong>Additional Links:</strong><br/><a href='https://dodprocurementtoolbox.com/' target='_blank'>Department of Defense Procurement Toolbox</a><br/><a href='https://piee.eb.mil/sol/xhtml/unauth/search/oppMgmtLink.xhtml?noticeId=W911S226U4509&noticeType=CombinedSynopsisSolicitation' target='_blank'>PIEE Solicitation Module Link for W911S226U4509</a><br/><a href='https://www.acq.osd.mil/asda/dpc/ce/cap/docs/piee/PIEE_Solicitation_Module_Vendor_Access_Instructions.pdf' target='_blank'>Registration Instructions for the PIEE Solicitation Module</a><br/><a href='https://pieetraining.eb.mil/wbt/xhtml/wbt/sol/index.xhtml' target='_blank'>Web Based Training for the PIEE Solicitation Module</a>

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