From the notice

This is a BRAND NAME OR EQUAL procurement for a Quantity 200 of NSN 5640013713262, with the following description: NSN 5640013713262 INSULATION BLOCK, THERMAL: Shall be in accordance with MIL-DTL-24688 Revision A Amendment 1 dated June 28, 2022 and QPL-24688. (As of the issue date of this IPD, no qualified sources for this material exist on the referenced QPL. Procured items must still be in accordance with MIL-DTL-24688.) Material shall conform to the following salient characteristics: TYPE II: Faced panel CLASS 1: Fibrous glass cloth faced (thermal) MATERIAL: Polyimide foam, open-cell LENGTH: 36.0 inches nominal WIDTH: 24.0 inches nominal THICKNESS: 2.0 inches nominal MIL-DTL-24688 – Detail Specification: Insulation, Thermal and Acoustic Absorptive, Cellular Polyimide Foam Copies of this document are available from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094 or online at [link] UNIT OF ISSUE: SH (Sheet). PRODUCT CONFORMANCE: The products provided shall meet the salient characteristics of this description, conform to the producer's own specifications, standards, and quality assurance practices and be the same product offered for sale in the commercial market. The Government reserves the right to require proof of such conformance. For your quote to be considered valid, you MUST complete and return BOTH the Request for Quote Document and MIL STD 129R via email to [email].

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