# SAM #N0002426SN-73 NAVSEA seeks manufacturers to qualify cellular polyimide foam insulation for QPL-24688 **Buyer:** NAVSEA Headquarters **Posted:** November 12, 2026 **Respond By:** December 10, 2026 **Identifier:** N0002426SN-73 **NAICS:** 238290, 326150 NAVSEA is inviting manufacturers to qualify cellular polyimide foam insulation products for inclusion on QPL-24688. - **Purpose:** Qualify thermal and acoustic absorptive cellular polyimide foam under MIL-DTL-24688A(1). - **Performance focus:** Flame resistance, compressibility, and sound absorption. - **Applicant information:** Submit NAVSEA Form 4123/1, company name and address, CAGE Code, point-of-contact details, quality certifications, product information, available test data, and an assessment of testing capability. - **Procurement status:** This notice is not a solicitation or award. No quantities, part numbers, named manufacturers, or contract value are provided. Future awards requiring qualified products will be limited to products listed on QPL-24688 at the time of award. ### Description

THIS IS NOT A SOLICITATION.  The Naval Sea Systems Command (NAVSEA) is seeking eligible commercial and defense manufacturers capable of qualifying their products under MIL-DTL-24688A(1) for listing on Qualified Products List (QPL) QPL-24688.  MIL-DTL-24688A(1) is available in ASSIST at https://quicksearch.dla.mil/ and may be obtained by using the “Document Number” search box and the keyword “24688”.  Critical Performance Parameters of MIL-DTL-24688A(1): Flame resistance, compressibility, sound absorption.

THIS IS NOT A SOLICITATION.  With respect to products requiring qualification, awards will be made only for products which are, at the time of award of contract, qualified for inclusion in QPL-24688 whether or not such products have actually been so listed by that date.  The attention of the contractors is called to the requirements for qualification specified in MIL-DTL-24688A(1). Manufacturers are urged to assess whether or not the products they propose to offer to the Federal Government may meet the requirements identified in MIL-DTL-24688A(1). 

Alternatively, if after reviewing, it is determined that qualification testing may be unachievable due to one or more technical requirements, manufacturers are urged to share feedback with NAVSEA at the following site: https://www.navsea.navy.mil/Resources/Standards-Specifications/. 

Guidance for manufacturers and their authorized distributors who wish to submit products for qualification by NAVSEA are available from the Provisions Governing Qualification (SD-6) and https://www.navsea.navy.mil/Resources/NAVSEA-QPL/.  The SD-6 is available in ASSIST at https://quicksearch.dla.mil/.  Additional information pertaining to qualification of products to MIL-DTL-24688A(1) can be found at https://www.navsea.navy.mil/Resources/NAVSEA-QPL/ and questions may be directed to CommandStandards@navy.mil.

Submission Instructions:  Interested parties desiring qualification are invited to submit a application for qualification package containing the following details:

Corporate Profile

•           NAVSEA Form 4123/1, Application for Qualification Testing downloadable from:  https://www.navsea.navy.mil/Resources/NAVSEA-QPL/QPL-Documents-and-Web-Links/

•           Company Name, Address, and CAGE Code.

•           Point of Contact (Name, Title, Email, and Phone Number).

•           Current Quality Certifications (e.g., ISO 9001, AS9100, Nadcap).

Technical Capabilities & Similarity Assessment

•           Current Product Line: A brief description of commercial or industrial products your firm currently manufactures that meet or closely align with the technical requirements of the governing specification.

•           Relevant Test Data: Identify if the product has already been tested to commercial, industrial, or international standards (e.g., UL, IEEE, ASTM, SAE).

•           Qualification Feasibility: Outline your organization's capability to perform or support the environmental, electrical, or mechanical testing required by MIL-DTL-24688A(1).

Send the application for qualification and supporting documentation via email to commandstandards@navy.mil with the subject line: “Sources Sought Response: QPL-24688- [Company Name]".

THIS IS NOT A SOLICITATION.

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