# DIBBS #SPE4A6-26-U-4191

Solicitation for Self-Locking Hexagonal Nuts (NSN 5310-00-225-6408) – Indefinite Delivery Contract

**Posted:** September 15, 2026
**Respond By:** September 29, 2026
**Identifier:** SPE4A6-26-U-4191
**NAICS:** 332722

DLA Aviation ASC Commodities Division is soliciting bids for an indefinite delivery contract to supply self-locking hexagonal nuts (NSN 5310-00-225-6408).
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation ASC Commodities Division
  - Buyer: Shirley Lagat
- Products Requested:
  - Nut, Self-Locking, Hexagonal (NSN 5310-00-225-6408)
  - Estimated annual quantity: 25,085 units
  - Guaranteed minimum: 2,508 units
  - Compliance with MIL-STD-130N and MIL-DTL-45913 standards
  - Packaging per MIL-STD-2073-1E; marking requirements; mercury compounds prohibited
- Delivery & Contract Details:
  - Indefinite delivery contract (IDC) for one year
  - Delivery required within 60 days of order
  - Maximum contract value: $350,000
  - Orders below 6,271 units are not obligated
- Unique Requirements:
  - Strict compliance with domestic sourcing laws
  - Quality and packaging standards must be met
  - Small business set-aside
- OEMs & Vendors:
  - No specific OEMs or vendors named; open to qualified manufacturers meeting Mil-Spec

### Description

NUT, SELF-LOCKING, HEXAG (QTY: 25085, NSN: 5310-00-225-6408 Mil-Spec, Purchase Request: 1000243182)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626U4191)