# DIBBS #SPE4A6-26-T-37SM

DLA Aviation solicitation for self-locking aerospace nuts and government testing

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

DLA Aviation is seeking aerospace self-locking nuts and associated government testing for a critical application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Aviation, ASC Commodities Division; buyer contact: Michael Blain.
- **Product:** 584.660 boxes of double-hexagon self-locking nuts, NSN 5310-01-093-2471 (1 box = 50 each, approximately 29,233 nuts). Approved-source part number: SS5086C06S.
- **OEMs and approved sources:** Bristol Industries, LLC; SPS Technologies, LLC; Airtronics, LLC; and Sikorsky Aircraft Corporation.
- **Technical requirements:** A286 corrosion-resistant steel, specified heat treatment and silver plating, and 100% fluorescent penetrant inspection. The item is designated a critical application item.
- **Testing:** Government First Article Testing requires two units submitted within 90 days after award. Government production lot testing requires two randomly selected production samples; the contractor supplies and ships the samples and covers samples consumed, destroyed, or rendered unusable during testing.
- **Set-aside:** Economically Disadvantaged Women-Owned Small Businesses.

### Description

GOVERNMENT FIRST ARTIC (QTY: Qty - See Solicitation, NSN: 0001S00000052, Purchase Request: 7018488634)
PRODUCTION LOT TESTING (QTY: Qty - See Solicitation, NSN: 0001S00000061, Purchase Request: 7018488634)
NUT, SELF-LOCKING, DO (QTY: 585, NSN: 5310-01-093-2471, Purchase Request: 7018488634)
  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=SPE4A626T37SM)