# DIBBS #SPE4A6-27-T-3908

DLA solicitation for 23 source-controlled Sikorsky-pattern self-locking nuts

**Posted:** October 14, 2026
**Respond By:** October 21, 2026
**Identifier:** SPE4A6-27-T-3908
**NAICS:** 332722

DLA Weapons Support is seeking 23 source-controlled double-hexagon self-locking nuts for an aircraft application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; buyer contact: Nyjel Knowlin.
- **Item requested:** 23 self-locking double-hexagon nuts, NSN 5310-01-008-9345, described as “NUT, SELF-LOCKING, DOUBL.”
- **OEMs and approved-source identifiers:** **Sikorsky Aircraft Corporation** part number SS5086-05 and **SPS Technologies, LLC** part number EWSN26AG5.
- **Technical requirements:** Source-controlled critical-application item; manufacture and testing must meet the cited Sikorsky drawing requirements (drawing SS5086, Revision 16, and reference drawing SS5086-05).
- **Delivery and acceptance:** Delivery is required 709 days after order. FOB origin, with inspection and acceptance at origin.
- **Services:** None specified.

### Description

NUT, SELF-LOCKING, DOUBL (QTY: 23, NSN: 5310-01-008-9345, Purchase Request: 7018625573)
  Approved Sources:
  - CAGE: 56878, Part No: EWSN26AG5, Company: SPS TECHNOLOGIES, LLC
  - CAGE: 78286, Part No: SS5086-05, Company: SIKORSKY AIRCRAFT CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T3908)