PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-7560/1Coupling Half,quick Disconnect

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-181-9638 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-181-9638 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-181-9638. Primary manufacturer part number: MIL-DTL-7560/1.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Surface Treatment: ZINC BODY
  • Nominal Inside Diameter Hose Accommodated: 0.188 INCHES ALL ENDS IN
  • Quick Disconnect Nominal Size: 0.250 INCHES SECOND QUICK DISCONNECT END IN
  • Style Designator: MALE COUPLING HALF
  • Criticality Code Justification: FEAT
  • Connection Style: BARBED OR SERRATED END ALL ENDS
  • Quick Disconnect Method: SPRING PUSH-LOCK SECOND QUICK DISCONNECT END
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-181-9638, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-181-9638
Primary Part NumberMIL-DTL-7560/1
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Surface TreatmentZINC BODY
Nominal Inside Diameter Hose Accommodated0.188 INCHES ALL ENDS IN
Quick Disconnect Nominal Size0.250 INCHES SECOND QUICK DISCONNECT END IN
Style DesignatorMALE COUPLING HALF
Criticality Code JustificationFEAT
Connection StyleBARBED OR SERRATED END ALL ENDS
Quick Disconnect MethodSPRING PUSH-LOCK SECOND QUICK DISCONNECT END
Leg Length1.276 INCHES MINIMUM AND 1.286 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationASTM B633, TYPE 3 FED STD SINGLE TREATMENT RESPONSE BODY
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
MaterialCOPPER ALLOY BODY
Connection TypeEXTERNAL QUICK DISCONNECT SECOND QUICK DISCONNECT END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1660-00-026-4196 INTERCHANGEABLE
Housing,pull Cable
1660-00-063-6335 INTERCHANGEABLE
Bushing Assembly,oxygen
5330-00-106-680777-737 INTERCHANGEABLE
Gasket,filter
Pakon Inc Dba Impak Division
1660-00-116-8342 INTERCHANGEABLE
Housing,pull Cable
3110-00-117-0657Q1692-33 INTERCHANGEABLE
Roller,bearing
Timken Aerospace, Inc Dba Torrington Product
1660-00-179-4028 INTERCHANGEABLE
Adapter,oxygen Tank
5945-00-192-024510268 INTERCHANGEABLE
Relay,electromagnetic
Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp
5950-00-199-2524424-881 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc.
5310-00-209-3340 INTERCHANGEABLE
Washer,flat
5133-00-262-2167 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-7560/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
777-37 Avox Systems Inc Dba Avox Systems Inc (USA)
11-47-1 Ocenco Inc (USA)
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
MS21964-20 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-7560 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-V-7560 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M7560/1-20 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
G002-1070-01 Gentex Corp (USA)
11A47 Erie Mfg Co (USA)
5065-10 Avox Systems Inc Dba Avox Systems Inc (USA)
4195 Fluid Power, Inc. (USA)
41A2988 Department of the Air Force (USA)
4730PL1551770 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
1660-00-026-4196INTERCHANGEABLE
HOUSING,PULL CABLE
1660-00-063-6335INTERCHANGEABLE
BUSHING ASSEMBLY,OXYGEN
5330-00-106-6807INTERCHANGEABLE
GASKET,FILTER
77-737
1660-00-116-8342INTERCHANGEABLE
HOUSING,PULL CABLE
3110-00-117-0657INTERCHANGEABLE
ROLLER,BEARING
Q1692-33
1660-00-179-4028INTERCHANGEABLE
ADAPTER,OXYGEN TANK
5945-00-192-0245INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
10268
5950-00-199-2524INTERCHANGEABLE
REACTOR
424-881
5310-00-209-3340INTERCHANGEABLE
WASHER,FLAT
5133-00-262-2167INTERCHANGEABLE
DRILL,TWIST
5305-00-290-2803INTERCHANGEABLE
SCREW,MACHINE
132264
1660-00-324-1966INTERCHANGEABLE
VALVE AND HOSE ASSY

Frequently Asked Questions

What is NSN 4730-01-181-9638?

NSN 4730-01-181-9638 is a Coupling Half,quick Disconnect, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-181-9638?

NSN 4730-01-181-9638 has 14 cross-referenced part numbers: MIL-DTL-7560/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 777-37 (Avox Systems Inc Dba Avox Systems Inc), 11-47-1 (Ocenco Inc), 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), MS21964-20 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 9 more.

What NSN replaces 4730-01-181-9638?

There are 12 known substitutes for 4730-01-181-9638: 1660-00-026-4196, 1660-00-063-6335, 5330-00-106-6807 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-7560/1?

Key specifications for MIL-DTL-7560/1: Special Features: WEAPON SYSTEM ESSENTIAL; LIFE SUPPORT ITEM; DETAIL SPECIFICATION SHEET, MIL-DTL-7560/1, TITLED: VALVE ASSEMBLY, OXYGEN CYLINDER, BAILOUT; Part Name Assigned by Controlling Agency: FITTING, OXYGEN HOSE; Surface Treatment: ZINC BODY; Nominal Inside Diameter Hose Accommodated: 0.188 INCHES ALL ENDS IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-181-9638 still in active supply?

NSN 4730-01-181-9638 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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