# DIBBS #SPE4A6-26-T-35TT

Procurement of Self-Locking Hexagonal Nuts for DLA Aviation

**Posted:** September 23, 2026
**Respond By:** September 30, 2026
**Identifier:** SPE4A6-26-T-35TT
**NAICS:** 332722

The Defense Logistics Agency (DLA) Aviation ASC Commodities Division is seeking quotes for self-locking hexagonal nuts for critical applications.
- Government Buyer:
  - Defense Logistics Agency (DLA)
  - DLA Aviation ASC Commodities Division
  - Buyer Code DDF0092
- OEMs and Vendors:
  - VACCO INDUSTRIES (CAGE 99517)
- Products Requested:
  - Self-locking hexagonal nuts (NUT, SELF-LOCKING, HEXAG)
    - NSN 5310-01-381-3189
    - Part numbers: S1D10025 ITEM 26, S2B10228-3AA
    - Quantity: 71 units
- Notable Requirements:
  - Only VACCO INDUSTRIES part numbers S1D10025 ITEM 26 and S2B10228-3AA are approved sources
  - Compliance with domestic sourcing laws required
  - Additive manufacturing is prohibited unless specifically approved
  - Delivery is FOB origin to DLA Distribution, New Cumberland, PA
  - Delivery window is approximately 41 days
  - Items are designated as critical application
- No additional unique requirements beyond those specified

### Description

NUT, SELF-LOCKING, HEXAG (QTY: 71, NSN: 5310-01-381-3189, Purchase Request: 7018458569)
  Approved Sources:
  - CAGE: 99517, Part No: S1D10025 ITEM 26, Company: VACCO INDUSTRIES
  - CAGE: 99517, Part No: S2B10228-3AA, Company: VACCO INDUSTRIES
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626T35TT)