# SAM #W51AA13MSealant

Army sources sought for 675 cartridges of 3M AC-350 aerospace sealant

**Buyer:** U.S. Army Garrison Adelphi
**Posted:** October 16, 2026
**Respond By:** October 21, 2026
**Identifier:** W51AA13MSealant
**NAICS:** 325612

The U.S. Army is seeking sources for two brand-name 3M aerospace sealants for Tobyhanna Division operations.
- **Buyer:** Department of the Army, Army Contracting Command–Aberdeen Proving Ground (ACC-APG), Tobyhanna Division.
- **Named OEM:** **3M**, specifically 3M Automotive and Aerospace Solutions Division. The notice is a sources-sought request, not an award.
- **Products requested:**
  - 425 cartridges of 3M AC-350 B-2, part number 7100349768: 3.5 oz usable material in a 6 oz cartridge; 2-hour working time.
  - 250 cartridges of 3M AC-350 B-1/2, part number 7100349764: 2 oz usable material in a 2.5 oz cartridge; 30-minute working time.
- Both products are two-component gray polysulfide sealants and must meet their specified SAE AMS-S-8802 Type II and SAE AMS3276 class requirements. Each cartridge must include a dispensing tip; pre-mixed frozen versions are not accepted.
- At least seven months of shelf life must remain at delivery. The items are identified as HAZMAT. The brand-name rationale cites performance, compatibility, qualification, and curing considerations.
- Delivery is required by the notice’s stated deadline; no contract duration or option periods are specified.

### Description

<p>Sources sought for 2 different 3M products.&nbsp; See attached documents for full understanding of requirement.</p>

[View original listing](https://sam.gov/opp/09f86144dc294f5ab3b9f018537af15e/view)