# DIBBS #SPE4A6-27-T-6528

DLA request for 77 source-controlled self-locking clinch nuts

**Posted:** October 26, 2026
**Respond By:** November 02, 2026
**Identifier:** SPE4A6-27-T-6528
**NAICS:** 332722

The Defense Logistics Agency is seeking source-controlled self-locking clinch nuts for its Weapons Support, ASC Commodities Division.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; contact: Alexander Sotos.
- **OEMs / approved sources:** **RTX Corporation** (CAGE 77445) and **ESNA, LLC** (CAGE 019L2); both are approved sources for part number 451641.
- **Requested product:** 77 self-locking clinch nuts, NSN 5310-00-986-2211, part number 451641.
- **Technical details:** Basic drawing 77445-451641, revision C. The item is source-controlled; manufacturing and testing must comply with the cited limited-rights data.
- **First article requirement:** Three test units are required within 180 days of the contract date and are separate from the 77 production units.
- **Delivery and acceptance:** FOB Origin, with inspection and acceptance at origin.

### Description

GOVERNMENT FIRST ARTIC (QTY: Qty - See Solicitation, NSN: 0001S00000052, Purchase Request: 7018833767)
NUT, SELF-LOCKING, CLINC (QTY: 77, NSN: 5310-00-986-2211, Purchase Request: 7018833767)
  Approved Sources:
  - CAGE: 019L2, Part No: 451641, Company: ESNA, LLC
  - CAGE: 77445, Part No: 451641, Company: RTX CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T6528)