# DIBBS #SPE7M4-27-T-0629

DLA solicitation for 91 titanium-alloy aircraft tube couplings

**Posted:** October 13, 2026
**Respond By:** October 23, 2026
**Identifier:** SPE7M4-27-T-0629
**NAICS:** 336413

The Defense Logistics Agency is soliciting 91 titanium-alloy tube couplings for F-16 and F-18 aircraft, split across two delivery requirements.
- Buyer
  - Defense Logistics Agency (DLA), Weapons Support, Fluid Handling Division; buyer contact: Blake Tushar.
- Requested item
  - 91 female tube couplings, NSN 4730-00-279-2717, for 5/8-inch tubing: 24 units in one requirement and 67 in the other.
  - Specifications include titanium-alloy construction, 1.361-inch overall length, 0.843-inch-18UNJS-3B threads, and Class 3 threads.
- OEMs and approved-source part numbers
  - EATON AEROQUIP LLC: AE16825-10.
  - PARKER-HANNIFIN CORPORATION: MR54047T-10; the attachment also lists MR54040T-10, so the Parker part number should be verified.
  - THE BOEING COMPANY: 7M523T10.
  - SMITHS TUBULAR SYSTEMS-LACONIA, INC.: TF442T10.
  - SPS Technologies, LLC DBA Airdrome: AP442T10. An earlier source listing identifies this part number without naming the source.
- Notable requirements
  - The coupling is designated restricted-source and critical-application; the Government Design Control Activity must approve the engineering source.
  - The item is identified for use on F-16 and F-18 aircraft.
  - Delivery is required 151 days after award, with separate delivery requirements for the two quantities; FOB origin.

### Description

COUPLING, TUBE (QTY: 91, NSN: 4730-00-279-2717, Purchase Request: 7018683556)
  Approved Sources:
  - CAGE: 00624, Part No: AE16825-10, Company: EATON AEROQUIP LLC
  - CAGE: 01673, Part No: AP442T10
  - CAGE: 50599, Part No: MR54047T-10, Company: PARKER-HANNIFIN CORPORATION
  - CAGE: 76301, Part No: 7M523T10, Company: THE BOEING COMPANY
  - CAGE: 78570, Part No: TF442T10, Company: SMITHS TUBULAR SYSTEMS-LACONIA, INC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M427T0629)