PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1025-6Coupling Half,quick Disconnect

A and B Enterprises · NSN 4730-01-266-4250 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-266-4250 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-266-4250. Primary manufacturer part number: 1025-6.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Style Designator: MALE COUPLING HALF
  • Connection Type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL ALL ENDS
  • Connection Type: THREADED EXTERNAL BOSS FIRST FLUID END CONNECTION
  • 2 verified cross-references
  • Primary manufacturer: A and B Enterprises
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-266-4250, 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 A and B Enterprises. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-266-4250
Primary Part Number1025-6
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerA and B Enterprises
StatusACTIVE
Style DesignatorMALE COUPLING HALF
Connection TypeEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
Connection StyleEXTERNAL SEAT FOR GASKET SEAL ALL ENDS
Connection TypeTHREADED EXTERNAL BOSS FIRST FLUID END CONNECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2590-00-090-44921025-6 INTERCHANGEABLE
Filler Neck,vehicular Components
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5950-00-135-4360 INTERCHANGEABLE
Coil,radio Frequency
4730-00-253-4415 INTERCHANGEABLE
Elbow,pipe
5330-00-292-049210206 INTERCHANGEABLE
Seal,plain Encased
Garwood/feller Inc Garwood Winch Div
6105-00-407-3899 INTERCHANGEABLE
Plate,holder
5360-00-859-09161025-6 INTERCHANGEABLE
Spring,helical,compression
Woodward Hrt, Inc. Dba Woodward Hrt Inc
6105-01-010-9252U-305434-1 INTERCHANGEABLE
Motor,direct Current
Electromech Technologies Llc
4810-01-206-65361025-6 INTERCHANGEABLE
Spring,valve,linear
Tactair Fluid Controls Inc
5999-01-316-6838L04194 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5999-01-316-73951097D206GP1 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Peerless Instrument Co., Inc.
Cross-Reference Index
Part NumberManufacturer
LE276-0004-0003 The Boeing Company Div Legacy Am&m (USA)
1025-6 PRIMARY A and B Enterprises (USA)
Related Parts
2590-00-090-4492INTERCHANGEABLE
FILLER NECK,VEHICULAR COMPONENTS
1025-6
5950-00-135-4360INTERCHANGEABLE
COIL,RADIO FREQUENCY
4730-00-253-4415INTERCHANGEABLE
ELBOW,PIPE
5330-00-292-0492INTERCHANGEABLE
SEAL,PLAIN ENCASED
10206
6105-00-407-3899INTERCHANGEABLE
PLATE,HOLDER
5360-00-859-0916INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1025-6
6105-01-010-9252INTERCHANGEABLE
MOTOR,DIRECT CURRENT
U-305434-1
4810-01-206-6536INTERCHANGEABLE
SPRING,VALVE,LINEAR
1025-6
5999-01-316-6838INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
L04194
5999-01-316-7395INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
1097D206GP1
5331-01-322-6921INTERCHANGEABLE
O-RING
5910-01-465-4469INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
102-56

Frequently Asked Questions

What is NSN 4730-01-266-4250?

NSN 4730-01-266-4250 is a Coupling Half,quick Disconnect, manufactured by A and B Enterprises, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-266-4250?

NSN 4730-01-266-4250 has 2 cross-referenced part numbers: LE276-0004-0003 (The Boeing Company Div Legacy Am&m), 1025-6 (A and B Enterprises).

What NSN replaces 4730-01-266-4250?

There are 12 known substitutes for 4730-01-266-4250: 2590-00-090-4492, 5950-00-135-4360, 4730-00-253-4415 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1025-6?

Key specifications for 1025-6: Style Designator: MALE COUPLING HALF; Special Features: U/O B1B ACFT; Connection Type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END; Connection Style: EXTERNAL SEAT FOR GASKET SEAL ALL ENDS. 5 total characteristics are documented in the Federal Logistics Information System.

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