# DIBBS #SPE4A6-27-T-5579

DLA solicitation for 362 critical-application self-locking barrel nuts

**Posted:** October 21, 2026
**Respond By:** October 28, 2026
**Identifier:** SPE4A6-27-T-5579
**NAICS:** 332722, 423710

The Defense Logistics Agency is seeking 362 critical-application self-locking barrel nuts for DLA Distribution Warner Robins.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; destination is DLA Distribution Warner Robins.
- **Product:** 362 self-locking barrel nuts, NSN 5310-01-096-5615, referenced to Boeing part ST3M441-5M and drawing ST3M441.
- **Approved manufacturers and part numbers:** **Howmet Global Fastening Systems Inc.** (K50188-5); **Space-Lok, Inc.** (SLN170-5); **Bristol Industries, LLC** (BFN441-5); and **SPS Technologies, LLC** (77020-5, B10695-5, SL4010-5). Boeing is also named as the source of the referenced part designation.
- **Notable requirements:** Critical application item; delivery required within 125 days after award; FOB Origin; destination inspection and acceptance. The solicitation is set aside for small businesses.

### Description

NUT, SELF-LOCKING, BARRE (QTY: 362, NSN: 5310-01-096-5615, Purchase Request: 7018201257)
  Approved Sources:
  - CAGE: 15653, Part No: K50188-5, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 16258, Part No: SLN170-5, Company: SPACE-LOK, INC.
  - CAGE: 27238, Part No: BFN441-5, Company: BRISTOL INDUSTRIES, LLC
  - CAGE: 56878, Part No: 77020-5, Company: SPS TECHNOLOGIES, LLC
  - CAGE: 56878, Part No: B10695-5, Company: SPS TECHNOLOGIES, LLC
  - CAGE: 97393, Part No: SL4010-5, Company: SPS TECHNOLOGIES LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T5579)