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Presolicitation, first published as sources sought

Low Temperature Insulation

N6893624R0043

Department of the Navy, Naval Air Warfare Center. Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).

Response deadline

December 23, 2025 at 5:00 PM EST

Closed 268 days ago. Posted December 8, 2025, first published September 19, 2024. Scheduled to archive December 22, 2026.

Description

As published on SAM.gov.

Notice of Intent to Sole Source Requirement Description: Research, development, laboratory-scale formulation, prototype production, and material characterization for advanced solid rocket motor internal insulation materials capable of meeting extreme low-temperature operational requirements. Deliverables include test data, prototype-scale material lots, material samples, reports, and supporting documentation.

Sole-Source Rationale: R.E. Darling Co., Inc. (REDAR) is the only responsible source with the proprietary formulations, specialized personnel, and large-scale rubber-processing infrastructure needed to meet NAWCWD performance and schedule requirements. A Sources Sought Notice was posted to SAM.gov on 19 September 2024 under PR N68936-24-R-0043, and REDAR was the only respondent.

Response Instructions: This notice is not a request for competitive proposals. However, interested parties may submit a capability statement demonstrating clear and convincing evidence that competition is possible. Responses must include:

Demonstrated technical capability to meet low-temperature insulation performance requirements Evidence of access to required proprietary data or equivalent qualified technology Ability to deliver production-scale material within the required timeframe Responses are due no later than: Date 15 days After Posting Submit to:

Contract Specialist:

Erin Villar Email: erin.m.villar.civ@us.navy.mil Contracting Officer:

Brian Gillead:

Email: larry.b.gillead.civ@us.navy.mil Subject line: Response to Notice of Intent to Sole Source – N6893624R0043 Disclaimer: Information received will be used solely to determine whether to conduct a competitive procurement. The Government is not responsible for costs associated with responding to this notice.

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. September 19, 2024

    Sources sought

    Rubber Insulation

    Due October 4, 2024 at 5:00 PM EDT. SAM.gov, notice 98b55e667edf4daea1617f6a3ee1c82a

  2. June 10, 2025

    Sources sought

    Rubber Insulation

    Due June 25, 2025 at 6:00 PM EDT. SAM.gov, notice 95857486a3de44bb9cb7d28e31dcf9f9

  3. June 10, 2025

    Sources sought

    Due June 25, 2025 at 6:00 PM EDT. SAM.gov, notice f73a21c43d894f02a5fa4282b1b1fef8

  4. December 8, 2025

    Presolicitation

    Due December 23, 2025 at 5:00 PM EST. SAM.gov, notice 95bddffe8ff7482e9ba09356970bea44

Points of contact