# DIBBS #SPE4A6-27-T-5266

DLA solicitation for 283 critical-safety self-locking extended washer hexagon nuts

**Posted:** October 20, 2026
**Respond By:** October 27, 2026
**Identifier:** SPE4A6-27-T-5266
**NAICS:** 332722

DLA is seeking 283 Air Force-designated critical-safety self-locking extended washer hexagon nuts for supply to DLA Distribution Depot Oklahoma.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; buyer contact listed as Hannah Shimer.
- **Requested item:** 283 self-locking extended washer hexagon nuts, NSN 5310-01-448-4014 (CLIN 0001; drawing 77445, revision C).
- **OEMs and approved sources:** **HOWMET GLOBAL FASTENING SYSTEMS INC** — part numbers H54893-4 and VN4848 WA048; **SPS TECHNOLOGIES, LLC** — part number ST5074-10. These are approved-source alternatives for the requested item, not separate quantities.
- **Notable requirements:** The item is an Air Force-designated Critical Safety Item. Source approval and export-control access requirements apply; inspection and acceptance are at origin. Delivery is required 107 days after order, FOB origin, to DLA Distribution Depot Oklahoma.

### Description

NUT, SELF-LOCKING, EXTEN (QTY: 283, NSN: 5310-01-448-4014, Purchase Request: 7017912144)
  Approved Sources:
  - CAGE: 15653, Part No: H54893-4, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 56878, Part No: ST5074-10, Company: SPS TECHNOLOGIES, LLC
  - CAGE: 5M902, Part No: VN4848 WA048, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T5266)