# DIBBS #SPE4A6-26-T-31LL

DLA Aviation Solicits Self-Locking Knurled Nuts (NSN 5310-01-660-6834) from Approved OEMs

**Posted:** September 17, 2026
**Respond By:** September 24, 2026
**Identifier:** SPE4A6-26-T-31LL
**NAICS:** 332722

DLA Aviation, ASC Commodities Division is seeking to procure self-locking knurled nuts (NSN 5310-01-660-6834).
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation, ASC Commodities Division, Richmond, VA
- OEMs and Approved Sources:
  - THE BOEING COMPANY (part number 4M373-4A)
  - SPS TECHNOLOGIES LLC (part numbers 4M373-4A and SL7534-2)
- Vendors may supply approved part numbers only
- Products Requested:
  - 39 units of NUT, SELF-LOCKING, KNURL
  - NSN: 5310-01-660-6834
  - Part numbers: 4M373-4A, SL7534-2
- Notable Requirements:
  - Strict compliance with domestic sourcing laws (Berry Amendment, Buy American Act)
  - Packaging and marking must follow MIL-STD-129 and ASTM D3951
  - FOB origin delivery; destination inspection
  - Not a small business set-aside
  - Delivery required within 209 days from contract award
- No additional technical requirements beyond approved sources and part numbers

### Description

NUT, SELF-LOCKING, KNURL (QTY: 39, NSN: 5310-01-660-6834, Purchase Request: 7018380365)
  Approved Sources:
  - CAGE: 76301, Part No: 4M373-4A, Company: THE BOEING COMPANY
  - CAGE: 97393, Part No: 4M373-4A, Company: SPS TECHNOLOGIES LLC
  - CAGE: 97393, Part No: SL7534-2, Company: SPS TECHNOLOGIES LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626T31LL)