# DIBBS #SPE7M2-26-T-6841

DLA Solicitation for Self-Locking Hexagonal Nuts (NSN 5310-00-506-646)

**Posted:** September 14, 2026
**Respond By:** September 24, 2026
**Identifier:** SPE7M2-26-T-6841
**NAICS:** 332722

This procurement opportunity is issued by the Defense Logistics Agency (DLA) Land and Maritime Nuclear Reactor Program for the supply of self-locking hexagonal nuts.
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Nuclear Reactor Program
  - Contact: David Larsen
- Product Requested:
  - Nut, Self-Locking, Hexagonal
    - National Stock Number (NSN): 5310-00-506-646
    - Quantity: 115,608 units
- Technical and Quality Requirements:
  - Must comply with DLA Master List specifications
  - Sampling per MIL-STD-1916
  - Marking per MIL-STD-129
  - Packaging per MIL-STD-2073-1E
  - Compliance with domestic material restrictions
  - Additive manufacturing is prohibited unless specifically approved
- Delivery and Logistics:
  - Delivery required within 210 days from contract award
  - FOB origin shipment to DLA Distribution, New Cumberland, PA
- OEMs and Vendors:
  - No specific OEMs or vendors are named in the solicitation
- Notable Requirements:
  - HUBZone set-aside
  - Strict technical and quality standards for nuclear program use

### Description

NUT, SELF-LOCKING, HEXAG (QTY: 115608, NSN: 5310-00-050-6646, Purchase Request: 7018059338)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M226T6841)