# DIBBS #SPE4A6-27-T-3915

DLA solicitation for 23 source-controlled self-locking double-hexagon nuts

**Posted:** October 14, 2026
**Respond By:** October 21, 2026
**Identifier:** SPE4A6-27-T-3915
**NAICS:** 332722

The Defense Logistics Agency is seeking 23 source-controlled aerospace self-locking double-hexagon nuts for a critical application.
- Government buyer: Defense Logistics Agency (DLA), Weapons Support, ASC Commodities Division.
- Product: 23 self-locking double-hexagon nuts, NSN 5310-01-008-9345; drawing part number SS5086-05.
- Approved OEM sources: **Sikorsky Aircraft Corporation** (SS5086-05; CAGE 78286) and **SPS Technologies, LLC** (EWSN26AG5; CAGE 56878).
- Requirements: Source-controlled critical application item; manufacture and testing must follow the cited limited-rights technical data. Export-controlled technical data access and ISO 9001:2015-equivalent quality requirements apply.
- Delivery and acceptance: FOB origin, delivery 708 days after order, with inspection and acceptance at origin.

### Description

NUT, SELF-LOCKING, DOUBL (QTY: 23, NSN: 5310-01-008-9345, Purchase Request: 7018612070)
  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=SPE4A627T3915)