# DIBBS #SPE4A6-27-T-0963

DLA request for 473 critical-application self-locking barrel nuts

**Posted:** October 08, 2026
**Respond By:** October 15, 2026
**Identifier:** SPE4A6-27-T-0963
**NAICS:** 332722

The Defense Logistics Agency is seeking 473 critical-application self-locking barrel nuts for its Weapons Support organization.
- **Government buyer:** Defense Logistics Agency (DLA), Weapons Support, ASC Commodities Division.
- **Product:** 473 self-locking barrel nuts, NSN 5310-01-470-9587; drawing/part number HS5813-6, drawing HS5813, Revision E.
- **Approved-source part numbers:** HS5813-6 and SL4133-6E.
- **OEMs and approved sources:** **SPS Technologies, LLC**, **Fastener Technology Corp**, **Bristol Industries, LLC**, and **Space-Lok, Inc.** HS5813-6 is listed for all four; SL4133-6E is listed for SPS Technologies, LLC.
- **Notable requirements:** Critical-application hardware; delivery 140 days after order; FOB Origin; destination inspection and acceptance; packaging and marking must meet the stated requirements.
- **Procurement context:** Small-business set-aside.

### Description

NUT, SELF-LOCKING, BARRE (QTY: 473, NSN: 5310-01-470-9587, Purchase Request: 7018663346)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T0963)