# DIBBS #SPE4A6-27-T-1559

DLA solicitation for nine self-locking castellated hexagon nuts

**Posted:** October 13, 2026
**Respond By:** October 20, 2026
**Identifier:** SPE4A6-27-T-1559
**NAICS:** 332722

The Defense Logistics Agency is seeking nine self-locking castellated hexagon nuts for delivery to SRF-JRMC Yokosuka.
- **Government buyer:** Defense Logistics Agency (DLA), Weapons Support, ASC Commodities Division; contact: Angela Caraballo.
- **Product:** 9 self-locking castellated hexagon nuts, NSN 5310-01-331-1151.
- **OEMs and listed part numbers:** Rolls Royce Corp, P/N 23036114-16 (CAGE 63005); SPS Technologies, LLC, P/N 50 FAF-1608 (CAGE 56878). Both are identified as acceptable sources.
- **Delivery requirement:** Within 5 days after order, FOB destination to SRF-JRMC Yokosuka.
- No services or additional product requirements are stated in the available information.

### Description

NUT, SELF-LOCKING, CASTE (QTY: 9, NSN: 5310-01-331-1151, Purchase Request: 7018620451)
  Approved Sources:
  - CAGE: 56878, Part No: 50 FAF-1608, Company: SPS TECHNOLOGIES, LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T1559)