# DIBBS #SPE4A6-27-T-2368

DLA Solicitation for 3,461 Self-Locking Double-Hexagon Nuts

**Posted:** October 13, 2026
**Respond By:** October 20, 2026
**Identifier:** SPE4A6-27-T-2368
**NAICS:** 332722

The Defense Logistics Agency is seeking quotes for 3,461 self-locking double-hexagon nuts for its Weapons Support mission.
- **Government buyer:** Defense Logistics Agency (DLA), Weapons Support, ASC Commodities Division.
- **Product requested:** 3,461 self-locking double-hexagon nuts, NSN 5310-01-184-0356, CLIN 0001.
  - Drawing: HS4143, Revision D; specified part number: HS4143-2.
  - Listed approved-source part numbers: HS4143-2, FN22M-428, BH00775-4, and VN470A048.
- **OEMs / approved sources:** Howmet Global Fastening Systems Inc., Bristol Industries, LLC, and SPS Technologies, LLC.
- **Notable requirements:** Delivery is required within 146 days after order. The item is FOB Origin, with destination inspection and acceptance. Packaging and marking requirements reference ASTM D3951 and MIL-STD-129.

### Description

NUT, SELF-LOCKING, DOUBL (QTY: 3461, NSN: 5310-01-184-0356, Purchase Request: 7018681221)
  Approved Sources:
  - CAGE: 15653, Part No: HS4143-2, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 15653, Part No: VN470A048, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 27238, Part No: BH00775-4, Company: BRISTOL INDUSTRIES, LLC
  - CAGE: 56878, Part No: FN22M-428, Company: SPS TECHNOLOGIES, LLC
  - CAGE: 92215, Part No: HS4143-2
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T2368)