# DIBBS #SPE4A6-27-T-2289

DLA solicitation for 2,109 critical-application self-locking double-hexagon nuts

**Posted:** October 13, 2026
**Respond By:** October 20, 2026
**Identifier:** SPE4A6-27-T-2289
**NAICS:** 332722

The Defense Logistics Agency is seeking a critical-application self-locking nut for military supply.
- **Buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; contact listed as Charece Smith. The request is issued through DLA’s DIBBS platform.
- **Product:** 2,109 self-locking double-hexagon nuts, NSN 5310-01-182-5122.
- **Approved OEMs and part numbers:** **Fairchild Fasteners Fullerton Opns** — HS4447-428; **Space-Lok, Inc.** — HS4447-428; **SPS Technologies, LLC** — 61170-428.
- **Notable requirements:** The nut is identified as a critical application item. Delivery is required within 67 days after order, FOB origin; inspection and acceptance are at origin. Packaging must meet DLA requirements and ASTM D3951.
- **Period of performance:** Single supply delivery; no option periods or recurring subscription are identified.

### Description

NUT, SELF-LOCKING, DOUBL (QTY: 2109, NSN: 5310-01-182-5122, Purchase Request: 7018681686)
  Approved Sources:
  - CAGE: 16258, Part No: HS4447-428, Company: SPACE-LOK, INC.
  - CAGE: 1PDG6, Part No: HS4447-428
  - CAGE: 56878, Part No: 61170-428, Company: SPS TECHNOLOGIES, LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T2289)