# DIBBS #SPE4A6-27-T-0110

DLA solicitation for 3,117 self-locking extended-washer hexagon nuts

**Posted:** October 02, 2026
**Respond By:** October 09, 2026
**Identifier:** SPE4A6-27-T-0110
**NAICS:** 332722

The Defense Logistics Agency is seeking 3,117 critical-application self-locking extended-washer hexagon nuts for its Weapons Support organization.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; buyer contact: Cezanne Garris.
- **Product requested:** 3,117 self-locking extended-washer hexagon nuts, NSN 5310-00-879-0669; approved-source part number **NAS1291C6M**.
- **Approved sources/OEMs named:** **ESNA, LLC**, **Bristol Industries, LLC**, and **Sikorsky Aircraft Corporation**. The attachment also lists National Aerospace Standards (CAGE 80205) as an approved source.
- **Notable requirements:** The item is designated a critical application item. Delivery is FOB origin, with inspection and acceptance at origin. Allow 76 days after order for delivery, and allow 60 days for mandatory product verification testing after receipt of the specified sample.
- This is a single-item supply requirement; no services are listed.

### Description

NUT, SELF-LOCKING, EXTEN (QTY: 3117, NSN: 5310-00-879-0669, Purchase Request: 7018588607)
  Approved Sources:
  - CAGE: 019L2, Part No: NAS1291C6M, Company: ESNA, LLC
  - CAGE: 27238, Part No: NAS1291C6M, Company: BRISTOL INDUSTRIES, LLC
  - CAGE: 78286, Part No: NAS1291C6M, Company: SIKORSKY AIRCRAFT CORPORATION
  - CAGE: 80205, Part No: NAS1291C6M
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T0110)