# DIBBS #SPE4A6-27-T-2478

DLA request for 24 approved-source self-retaining machine bolts

**Posted:** October 13, 2026
**Respond By:** October 20, 2026
**Identifier:** SPE4A6-27-T-2478
**NAICS:** 332722

DLA Weapons Support is seeking 24 self-retaining machine bolts for a critical application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; buyer contact: Tarik Caballero.
- **OEMs and approved sources:** **LISI Aerospace Canada Corp.**, **Space-Lok, Inc.**, **Avibank Mfg., Inc.**, and **Hi-Shear Corporation**. Approved-source part number SS5112-428.
- **Product requested:** 24 self-retaining machine bolts, NSN 5306-01-279-8802.
- **Notable requirements:** Delivery within 167 days; FOB origin, with destination inspection and acceptance. Packaging and marking requirements cite ASTM D3951 and MIL-STD-129.

### Description

BOLT, MACHINE (QTY: 24, NSN: 5306-01-279-8802, Purchase Request: 7018682341)
  Approved Sources:
  - CAGE: 16258, Part No: SS5112-428, Company: SPACE-LOK, INC.
  - CAGE: 73197, Part No: SS5112-428, Company: HI-SHEAR CORPORATION
  - CAGE: 84256, Part No: SS5112-428, Company: AVIBANK MFG., INC.
  - CAGE: L4528, Part No: SS5112-428
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T2478)