# DIBBS #SPE4A6-27-T-7653

DLA procurement of 351 critical-application self-locking double-hexagon nuts

**Posted:** October 30, 2026
**Respond By:** November 06, 2026
**Identifier:** SPE4A6-27-T-7653
**NAICS:** 332722

The Defense Logistics Agency is procuring 351 critical-application self-locking double-hexagon nuts for DLA Weapons Support.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; buyer contact: Alexanderia Daniels.
- **Item requested:** 351 self-locking double-hexagon nuts, NSN 5310-01-443-9839.
- **Approved-source OEMs and part numbers:** **Bristol Industries, LLC** (BH00598-12 and HS5763-12); **Howmet Global Fastening Systems Inc.** (H54657-12); **Space-Lok, Inc.** (HS5763-12 and SLN127-12); **SPS Technologies, LLC** (HS5763-12); and **Houston Precision Fasteners I LP** (HS5763-12).
- **Notable requirements:** The nuts are designated a critical application item. Delivery is FOB Origin, required 404 days after order, with destination inspection and acceptance.

### Description

NUT, SELF-LOCKING, DOUBL (QTY: 351, NSN: 5310-01-443-9839, Purchase Request: 7018911896)
  Approved Sources:
  - CAGE: 15653, Part No: H54657-12, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 16258, Part No: HS5763-12, Company: SPACE-LOK, INC.
  - CAGE: 16258, Part No: SLN127-12, Company: SPACE-LOK, INC.
  - CAGE: 1VSL7, Part No: HS5763-12, Company: HOUSTON PRECISION FASTENERS I LP
  - CAGE: 27238, Part No: BH00598-12, Company: BRISTOL INDUSTRIES, LLC
  - CAGE: 27238, Part No: HS5763-12, Company: BRISTOL INDUSTRIES, LLC
  - CAGE: 56878, Part No: HS5763-12, Company: SPS TECHNOLOGIES, LLC
  - CAGE: 75237, Part No: H54657-12
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T7653)