PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M4190-09-08-00-Coupling Half,quick Disconnect

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-038-2350 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-038-2350 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-038-2350. Primary manufacturer part number: M4190-09-08-00-.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Style Designator: MALE COUPLING HALF
  • Nominal Thread Size: 0.250 INCHES ALL ENDS IN
  • Material: COPPER ALLOY SLEEVE
  • Nondefinitive Spec/std Data: 2 TYPE AND A CLASS AND 1 STYLE
  • Quick Disconnect Method: PUSH-PULL ALL ENDS
  • Material: COPPER ALLOY BODY
  • Mating End Identification: DESIGNED TO PROPERLY ENGAGE TYPE 11 HALVES OF SAME CLASS
Applications
  • Applications requiring Copper Alloy Sleeve construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-038-2350, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-038-2350
Primary Part NumberM4190-09-08-00-
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
Style DesignatorMALE COUPLING HALF
Nominal Thread Size0.250 INCHES ALL ENDS IN
MaterialCOPPER ALLOY SLEEVE
Nondefinitive Spec/std Data2 TYPE AND A CLASS AND 1 STYLE
Quick Disconnect MethodPUSH-PULL ALL ENDS
MaterialCOPPER ALLOY BODY
Mating End IdentificationDESIGNED TO PROPERLY ENGAGE TYPE 11 HALVES OF SAME CLASS
Connection StylePLAIN ALL ENDS
Connection TypeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
Material Document and ClassificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY
Specification/standard Data58536-A-A-59439 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Material Document and ClassificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE
Quick Disconnect Nominal Size0.281 INCHES SECOND FLUID END CONNECTION IN
Connection TypeEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
Nominal Pipe Size Accommodated0.250 INCHES FIRST FLUID END CONNECTION IN
Operating Pressure232.0 BAR MAXIMUM SINGLE RESPONSE
Thread Series DesignatorNPT ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6625-00-232-9457 INTERCHANGEABLE
Counter,electronic,digital Reado
5930-00-312-8236 INTERCHANGEABLE
Switch,flow
4320-00-442-6297 INTERCHANGEABLE
Pump Unit,rotary
4820-00-919-307545151 INTERCHANGEABLE
Valve,check
Johnson C S Co Inc
6530-01-597-1084103B INTERCHANGEABLE
Pad,cooling,chemical
Cardinal Health 200, Llc
Cross-Reference Index
Part NumberManufacturer
M4190-09-08-00- Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-59439 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59439-09-08-00-B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
10-3B Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA)
MIL-C-4109 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA59439-009-08-00-B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
M4109-09-08-00-B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
BH2C Parker-Hannifin Corporation Div Quick Coupling Division (USA)
1-9436P1 Spectrum Microwave, Inc. (USA)
10655810-1 General Dynamics Land Systems Canadacorp (CAN)
Related Parts
6625-00-232-9457INTERCHANGEABLE
COUNTER,ELECTRONIC,DIGITAL READO
5930-00-312-8236INTERCHANGEABLE
SWITCH,FLOW
4320-00-442-6297INTERCHANGEABLE
PUMP UNIT,ROTARY
4820-00-919-3075INTERCHANGEABLE
VALVE,CHECK
45151
6530-01-597-1084INTERCHANGEABLE
PAD,COOLING,CHEMICAL
103B

Frequently Asked Questions

What is NSN 4730-01-038-2350?

NSN 4730-01-038-2350 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 4730-01-038-2350?

NSN 4730-01-038-2350 has 10 cross-referenced part numbers: M4190-09-08-00- (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A-A-59439 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59439-09-08-00-B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 10-3B (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co), MIL-C-4109 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 4730-01-038-2350?

There are 5 known substitutes for 4730-01-038-2350: 6625-00-232-9457, 5930-00-312-8236, 4320-00-442-6297 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M4190-09-08-00-?

Key specifications for M4190-09-08-00-: Style Designator: MALE COUPLING HALF; Nominal Thread Size: 0.250 INCHES ALL ENDS IN; Material: COPPER ALLOY SLEEVE; Nondefinitive Spec/std Data: 2 TYPE AND A CLASS AND 1 STYLE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-038-2350 still in active supply?

NSN 4730-01-038-2350 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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