# DIBBS #SPE7M4-27-T-2440

DLA procurement of 24 RTX-approved rigid shaft couplings for aircraft engines

**Posted:** November 06, 2026
**Respond By:** November 16, 2026
**Identifier:** SPE7M4-27-T-2440
**NAICS:** 336412, 336413, 333613

The Defense Logistics Agency is seeking aircraft-engine rigid shaft couplings for a critical safety application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Fluid Handling Division; buyer contact: Blake Tushar.
- **Procurement:** 24 rigid shaft couplings, NSN 3010-00-019-2219, for the Pratt & Whitney TF-33 engine used on the C-141 aircraft.
  - Critical application part number: 500851; RTX Corporation is the listed approved source (CAGEs 52661 and 77445).
- **OEMs:** **RTX Corporation** (approved source for the coupling) and **Pratt & Whitney** (TF-33 engine manufacturer).
- **Notable requirements:** Air Force-designated critical safety item; origin inspection and acceptance, quality controls, and specified military packaging and marking are required.
- **Set-aside:** Small businesses.
- **Delivery:** Required 168 days after award.

### Description

COUPLING, SHAFT, RIGID (QTY: 24, NSN: 3010-00-019-2219, Purchase Request: 7019031022)
  Approved Sources:
  - CAGE: 52661, Part No: 500851, Company: RTX CORPORATION
  - CAGE: 77445, Part No: 500851, Company: RTX CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M427T2440)