PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51257-1Coupling Half,quick Disconnect

Transdigm Inc Div Adelwiggins Group · NSN 4730-01-480-2696 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-480-2696 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-480-2696. Primary manufacturer part number: 51257-1.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: Transdigm Inc Div Adelwiggins Group
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-480-2696, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Transdigm Inc Div Adelwiggins Group. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersGeneral Dynamics Land Systems Inc. (CAGE 01417); Transdigm Inc Div Adelwiggins Group (CAGE 21392)
Technical Specifications
ParameterValue
NSN4730-01-480-2696
Primary Part Number51257-1
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTransdigm Inc Div Adelwiggins Group
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-090-0707942 INTERCHANGEABLE
O-Ring
Pierce-Roberts Rubber Company Dba Pierce Roberts Rubber
2915-00-777-00915-1257-1 INTERCHANGEABLE
Valve,float,aircraft Fuel Tank
Parker-Hannifin Corporation Dba Pneutronics
4730-01-472-409451257-3 INTERCHANGEABLE
Coupling Half,quick Disconnect
Transdigm Inc Div Adelwiggins Group
Cross-Reference Index
Part NumberManufacturer
12438392 General Dynamics Land Systems Inc. (USA)
51257-1 PRIMARY Transdigm Inc Div Adelwiggins Group (USA)
12438392-1 General Dynamics Land Systems Inc. (USA)
Related Parts
5331-00-090-0707INTERCHANGEABLE
O-RING
942
2915-00-777-0091INTERCHANGEABLE
VALVE,FLOAT,AIRCRAFT FUEL TANK
5-1257-1
4730-01-472-4094INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
51257-3

Frequently Asked Questions

What is NSN 4730-01-480-2696?

NSN 4730-01-480-2696 is a Coupling Half,quick Disconnect, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-480-2696?

NSN 4730-01-480-2696 has 3 cross-referenced part numbers: 12438392 (General Dynamics Land Systems Inc.), 51257-1 (Transdigm Inc Div Adelwiggins Group), 12438392-1 (General Dynamics Land Systems Inc.).

What NSN replaces 4730-01-480-2696?

There are 3 known substitutes for 4730-01-480-2696: 5331-00-090-0707, 2915-00-777-0091, 4730-01-472-4094. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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