# Low Temperature Insulation

Canonical: https://abierto.us/opportunities/n6893624r0043

- Solicitation number: N6893624R0043
- Notice type: Presolicitation (first published as sources sought)
- Status: Closed. Deadline was December 23, 2025 at 5:00 PM EST
- Department: Department of the Navy
- Agency: Department of the Navy
- Contracting office: Naval Air Warfare Center (N68936)
- NAICS: 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Product or service code: AC13 National Defense R&D Services; Department Of Defense - Military; Experimental Development
- First posted: September 19, 2024
- Last posted: December 8, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/95bddffe8ff7482e9ba09356970bea44/view

## Description

**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

- September 19, 2024: Sources sought, due October 4, 2024 at 5:00 PM EDT. Notice 98b55e667edf4daea1617f6a3ee1c82a. https://sam.gov/workspace/contract/opp/98b55e667edf4daea1617f6a3ee1c82a/view
- June 10, 2025: Sources sought, due June 25, 2025 at 6:00 PM EDT. Notice 95857486a3de44bb9cb7d28e31dcf9f9. https://sam.gov/workspace/contract/opp/95857486a3de44bb9cb7d28e31dcf9f9/view
- June 10, 2025: Sources sought, due June 25, 2025 at 6:00 PM EDT. Notice f73a21c43d894f02a5fa4282b1b1fef8. https://sam.gov/workspace/contract/opp/f73a21c43d894f02a5fa4282b1b1fef8/view
- December 8, 2025: Presolicitation, due December 23, 2025 at 5:00 PM EST. Notice 95bddffe8ff7482e9ba09356970bea44. https://sam.gov/workspace/contract/opp/95bddffe8ff7482e9ba09356970bea44/view

## Points of contact

- Erin Villar, erin.m.villar.civ@us.navy.mil, 7607934151
- Brian Gillead, larry.b.gillead.civ@us.navy.mil, 7609772174

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/n6893624r0043.