# DIBBS #SPE4A6-27-U-0005

DLA solicitation for 136 self-locking extended-washer hexagon nuts

**Posted:** October 02, 2026
**Respond By:** October 16, 2026
**Identifier:** SPE4A6-27-U-0005
**NAICS:** 332722, 423710

DLA Weapons Support is seeking self-locking extended-washer hexagon nuts for a small-business set-aside requirement.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; buyer contact: Heather Spadaro.
- **Product:** 136 estimated units of a self-locking hexagon nut with extended washer, NSN 5310-14-568-4359; approved-source part number PLH54M. The quantity is an estimate, not a firm purchase commitment.
- **Named approved sources/OEMs:** **The Boeing Company**, **Brooks & Maldini Corporation**, and **Howmet Fixations Simmonds SAS**; each is associated with part number PLH54M.
- **Notable requirements:** The item is commercial off-the-shelf (COTS) and designated a critical application item. The one-year ordering period has a 13-unit guaranteed minimum once binding, a 34-unit minimum delivery order, and a $350,000 contract maximum. Delivery is required 54 days after each order; FOB origin, with destination inspection and acceptance.
- **Set-aside:** Small business.

### Description

NUT, SELF-LOCKING, EXTEN (QTY: 136, NSN: 5310-14-568-4359, Purchase Request: 1000243257)
  Approved Sources:
  - CAGE: 4WKC9, Part No: PLH54M
  - CAGE: 81205, Part No: PLH54M, Company: THE BOEING COMPANY
  - CAGE: F0224, Part No: PLH54M
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627U0005)