# DIBBS #SPE7M2-27-T-0863

DLA solicitation for 104 MS51971-2 Mil-Spec plain hexagon nuts

**Posted:** November 12, 2026
**Respond By:** November 23, 2026
**Identifier:** SPE7M2-27-T-0863
**NAICS:** 332722

DLA Weapons Support is seeking 104 specification-compliant plain hexagon nuts for its Nuclear Reactor Program.
- Buyer and solicitation
  - Defense Logistics Agency (DLA), DLA Weapons Support, Nuclear Reactor Program; buyer contact named in the attachment: David Larsen.
  - Solicitation SPE7M2-27-T-0863, for purchase request 7019095905.
- Product requested
  - 104 plain hexagon nuts, part number MS51971-2; NSN 5310-00-767-0445.
  - Must meet specification MS51971E, Revision E. The initial notice describes the item as Mil-Spec and “Spec/Stnd Only.”
- Notable requirements
  - Delivery is required within 105 days after order; this is a single supply delivery.
  - Critical-item/source inspection, NAVAIR traceability and marking, and packaging to MIL-STD-2073-1E are required.
  - FOB origin, with inspection and acceptance at origin.
- OEMs and vendors
  - No manufacturer, OEM, or supplier is named, and no approved sources are listed. MS51971-2 is the specified part number, not a named manufacturer.

### Description

NUT, PLAIN, HEXAGON (QTY: 104, NSN: 5310-00-767-0445 Mil-Spec, Purchase Request: 7019095905)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M227T0863)