# DIBBS #SPE7M3-26-T-8900

DLA Solicitation for Nut Assembly, Tube Coupling (NSN 4730-00-451-9232) – Aircraft Critical Application

**Posted:** September 11, 2026
**Respond By:** September 21, 2026
**Identifier:** SPE7M3-26-T-8900
**NAICS:** 336413, 332912

The Defense Logistics Agency (DLA) Land and Maritime Fluid Handling Division is soliciting quotes for Nut Assembly, Tube Coupling (NSN 4730-00-451-9232).
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Fluid Handling Division
  - Buyer: Christina Taylor
- OEMs and Vendors:
  - Approved OEMs: TransDigm Inc, Hydraflow
- Products Requested:
  - Nut Assembly, Tube Coupling
    - NSN: 4730-00-451-9232
    - Part Numbers: TransDigm Inc P/N 63651L117G28, Hydraflow P/N VC504-28C
    - Quantity: 5 units
    - Description: Half Connector, 1.750 in. OD nominal tube size, 2.66 in. nominal coupling OD, nominal overall length 0.850 in., critical application item for aircraft
- Unique/Notable Requirements:
  - Critical application for aircraft
  - Compliance with domestic sourcing laws
  - Hazardous material labeling required
  - Prohibition on covered defense telecommunications equipment
  - Specific packaging and delivery to DLA Distribution Warner Robins, GA
  - Delivery required within 168 days from contract award

### Description

NUT ASSEMBLY, TUBE COUP (QTY: 5, NSN: 4730004519232, Purchase Request: 7018269504)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M326T8900)