# DIBBS #SPE4A6-26-T-29LH

DLA Aviation Solicitation for Self-Locking Plate Nuts (NSN 5310-01-129-2210)

**Posted:** September 15, 2026
**Respond By:** September 22, 2026
**Identifier:** SPE4A6-26-T-29LH
**NAICS:** 332722

This opportunity from DLA Aviation focuses on sourcing self-locking plate nuts for aviation applications.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation, ASC Commodities Division
  - Primary contact: Charece Smith
- OEMs and Approved Manufacturers:
  - THE BOEING COMPANY
  - NORTHROP GRUMMAN SYSTEMS CORPORATION
  - HARTWELL CORPORATION
  - McDonnell Douglas Corp (historical/legacy, now part of Boeing)
- Vendors must supply nuts matching specific part numbers:
  - ST4M132-3-15 (Boeing, Northrop Grumman, McDonnell Douglas)
  - WSI332A1.5NH (Hartwell Corporation)
- Products Requested:
  - Nut, Self-Locking, Plate (NSN: 5310-01-129-2210)
  - Total quantity: 91 units
- Notable Requirements:
  - Only listed OEMs and part numbers are acceptable
  - Packaging must comply with ASTM D3951 and MIL-STD-129
  - Domestic sourcing restrictions apply
  - Delivery required within 151 days from contract award
  - Inspection at destination; FOB origin
  - Compliance with DLA Master List technical and quality requirements

### Description

NUT, SELF-LOCKING, PLATE (QTY: 91, NSN: 5310-01-129-2210, Purchase Request: 7018036846)
  Approved Sources:
  - CAGE: 76301, Part No: ST4M132-3-15, Company: THE BOEING COMPANY
  - CAGE: 76823, Part No: ST4M132-3-15, Company: NORTHROP GRUMMAN SYSTEMS CORPORATIO
  - CAGE: 83014, Part No: WSI332A1.5NH, Company: HARTWELL CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626T29LH)