# DIBBS #SPE7M4-27-T-1597

DLA procurement for 743 quick-disconnect coupling halves

**Posted:** October 23, 2026
**Respond By:** November 02, 2026
**Identifier:** SPE7M4-27-T-1597
**NAICS:** 332919

The Defense Logistics Agency is seeking 743 quick-disconnect coupling halves for an air-breathing system.
- Government buyer: Defense Logistics Agency (DLA), Weapons Support, Fluid Handling Division; contact listed as Blake Tushar.
- Product: 743 1/4-inch steel quick-disconnect coupling halves, NSN 4730-01-009-9520.
  - **OEM/source: Mine Safety Appliances Company (CAGE 55799)**; manufacturer part number 55716.
  - Features include cadmium- or zinc-treated body, threaded internal tube ends, and push-lock quick-disconnect functionality; the specified application is an air-breathing system.
- Notable requirements: Restricted-source, critical-application item requiring government engineering source approval.
- Delivery: Single delivery of 743 units, required 168 days after award.

### Description

COUPLING HALF, QUICK DI (QTY: 743, NSN: 4730-01-009-9520, Purchase Request: 7018833430)
  Approved Sources:
  - CAGE: 55799, Part No: 55716
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M427T1597)