PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WW-C-633Coupling Half,quick Disconnect

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-01-368-7591 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-368-7591 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-368-7591. Primary manufacturer part number: WW-C-633.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
  • Specification/standard Data: 81348-WW-C-633 GOVERNMENT SPECIFICATION
  • Nondefinitive Spec/std Data: 1 TYPE AND 1/2 IN, SIZE IN
  • Material: COPPER ALLOY BODY
  • Nominal Inside Diameter Hose Accommodated: 0.500 INCHES ALL ENDS IN
  • Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM B584 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Connection Style: BARBED OR SERRATED END ALL ENDS
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-368-7591, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-368-7591
Primary Part NumberWW-C-633
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
Specification/standard Data81348-WW-C-633 GOVERNMENT SPECIFICATION
Nondefinitive Spec/std Data1 TYPE AND 1/2 IN, SIZE IN
MaterialCOPPER ALLOY BODY
Nominal Inside Diameter Hose Accommodated0.500 INCHES ALL ENDS IN
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM B584 ASSN STD SINGLE MATERIAL RESPONSE BODY
Connection StyleBARBED OR SERRATED END ALL ENDS
Style DesignatorMALE COUPLING HALF
Furnished Items and Quantity1 PREFORMED PACKING
Quick Disconnect MethodTWO LUG UNIVERSAL ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4730-00-273-0667STYLEAKMPTAMH INTERCHANGEABLE
Coupling Half,quick Disconnect
Dixon Valve & Coupling Company, Llc Div Dixon Fire
4730-00-289-1260 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-293-7905 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-369-4593 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-033-8312 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-192-3539AM-2 INTERCHANGEABLE
Coupling Half,quick Disconnect
Dixon Valve & Coupling Company, Llc Div Dixon Fire
4730-01-222-0943 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-279-45685344K42 INTERCHANGEABLE
Coupling Half,quick Disconnect
Mcmaster-Carr Supply Co
4730-01-340-2282 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-363-3073 INTERCHANGEABLE
Cap,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
WW-C-633 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WWC633-02-B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-273-0667INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
STYLEAKMPTAMH
4730-00-289-1260INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-293-7905INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-369-4593INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-033-8312INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-192-3539INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
AM-2
4730-01-222-0943INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-279-4568INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5344K42
4730-01-340-2282INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-363-3073INTERCHANGEABLE
CAP,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-01-368-7591?

NSN 4730-01-368-7591 is a Coupling Half,quick Disconnect, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-368-7591?

NSN 4730-01-368-7591 has 2 cross-referenced part numbers: WW-C-633 (Federal Specifications Promulgated by General Services Administration Washington DC), WWC633-02-B (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-01-368-7591?

There are 10 known substitutes for 4730-01-368-7591: 4730-00-273-0667, 4730-00-289-1260, 4730-00-293-7905 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WW-C-633?

Key specifications for WW-C-633: Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION; Specification/standard Data: 81348-WW-C-633 GOVERNMENT SPECIFICATION; Nondefinitive Spec/std Data: 1 TYPE AND 1/2 IN, SIZE IN; Material: COPPER ALLOY BODY. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-368-7591 still in active supply?

NSN 4730-01-368-7591 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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