# DIBBS #SPE4A6-26-T-37SQ

DLA Aviation procurement of 763 boxes of self-locking aerospace nuts with first-article and production-lot testing

**Posted:** September 30, 2026
**Respond By:** October 07, 2026
**Identifier:** SPE4A6-26-T-37SQ
**NAICS:** 332722

DLA Aviation is seeking aerospace-grade self-locking nuts and associated government testing for a Navy-identified critical safety item.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Aviation, ASC Commodities Division; buyer contact: Michael Blain.
- **OEMs and approved sources:** **Bristol Industries, LLC; SPS Technologies, LLC; Airtronics, LLC; and Sikorsky Aircraft Corporation.** The cited manufacturer part number is SS5086C06S.
- **Products requested:** Self-locking double-hexagon nuts, NSN 5310-01-093-2471, in two line items:
  - 362 boxes (CLIN 0001), with 50 nuts per box.
  - 401 boxes (CLIN 0002), with 50 nuts per box.
  - Total: 763 boxes, or 38,150 nuts.
- **Testing services:** Government First Article Test (CLIN 0003, 1 EA) and Production Lot Testing (CLIN 0004, 1 EA). First-article evaluation requires 2 units; the production-lot test uses 2 samples selected by the Government.
- **Notable requirements:** A286 corrosion-resistant steel; specified thread, heat-treatment, and silver-plating requirements; and 100% fluorescent penetrant inspection. First article approval is required before production-lot testing. This opportunity is set aside for Economically Disadvantaged Women-Owned Small Businesses (EDWOSB).

### Description

GOVERNMENT FIRST ARTIC (QTY: Qty - See Solicitation, NSN: 0001S00000052, Purchase Request: 7018488633)
PRODUCTION LOT TESTING (QTY: Qty - See Solicitation, NSN: 0001S00000061, Purchase Request: 7018488633)
NUT, SELF-LOCKING, DO (QTY: 763, NSN: 5310-01-093-2471, Purchase Request: 7018488633)
  Approved Sources:
  - CAGE: 27238, Part No: SS5086C06S, Company: BRISTOL INDUSTRIES, LLC
  - CAGE: 56878, Part No: SS5086C06S, Company: SPS TECHNOLOGIES, LLC
  - CAGE: 58078, Part No: SS5086C06S, Company: AIRTRONICS, LLC
  - CAGE: 78286, Part No: SS5086C06S, Company: SIKORSKY AIRCRAFT CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626T37SQ)
