# DIBBS #SPE4A6-27-T-1714

DLA solicitation for 874 SPS Technologies self-locking castellated nuts

**Posted:** October 13, 2026
**Respond By:** October 20, 2026
**Identifier:** SPE4A6-27-T-1714
**NAICS:** 332722

The Defense Logistics Agency is seeking source-controlled aerospace fasteners for a critical application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; contact: Vincent Price.
- **OEM:** **SPS Technologies, LLC** (CAGE 56878) is the approved source, using manufacturer part number 58729M-428.
- **Requested product:** 874 self-locking castellated hexagon nuts, NSN 5310-00-377-3883.
- **First article requirement:** Testing is required, with three test units specified and a separate first-article-test line item. The test report is due within 120 calendar days after contract award.
- **Notable requirements:** Critical application item; source-controlled to SPS Technologies, LLC and subject to cited limited-rights data. Origin delivery and inspection are required.
- **Timing:** The delivery period is 530 days. No services-contract term, option years, or annual subscription is identified.

### Description

CONTRACTOR FIRST ARTIC (QTY: Qty - See Solicitation, NSN: 0001S00000053, Purchase Request: 7018662178)
NUT, SELF-LOCKING, CASTE (QTY: 874, NSN: 5310-00-377-3883, Purchase Request: 7018662178)
  Approved Sources:
  - CAGE: 56878, Part No: 58729M-428, Company: SPS TECHNOLOGIES, LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T1714)