PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWC633TYPE3Coupling Half,quick Disconnect

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-369-4591 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-369-4591 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-369-4591. Primary manufacturer part number: WWC633TYPE3.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Thread Series Designator: NPT ALL ENDS
  • Connection Style: PLAIN ALL ENDS
  • Nondefinitive Spec/std Data: 3 TYPE
  • Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE BODY
  • Material: IRON BODY
  • Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
  • Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY
Applications
  • Applications requiring Iron Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-369-4591, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-369-4591
Primary Part NumberWWC633TYPE3
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Thread Series DesignatorNPT ALL ENDS
Connection StylePLAIN ALL ENDS
Nondefinitive Spec/std Data3 TYPE
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE BODY
MaterialIRON BODY
Connection TypeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY
Leg Length0.797 INCHES NOMINAL IN
Surface TreatmentCADMIUM BODY
Style DesignatorMALE COUPLING HALF
Furnished ItemsGASKET
Nominal Thread Size0.500 INCHES ALL ENDS IN
Quick Disconnect MethodTWO LUG UNIVERSAL ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
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
4730-00-369-4595 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-496-5953 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-844-9014 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-340-2282 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
WWC633TYPE3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-59553 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WWC633-13-M Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA59553-13M Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AIRKINGAM2 Dixon Valve & Coupling Company, Llc Div Dixon Fire (USA)
Related Parts
4730-00-289-1260INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-293-7905INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-369-4593INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-369-4595INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-496-5953INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-844-9014INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-340-2282INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-369-4591?

NSN 4730-00-369-4591 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 4730-00-369-4591?

NSN 4730-00-369-4591 has 5 cross-referenced part numbers: WWC633TYPE3 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-59553 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), WWC633-13-M (Federal Specifications Promulgated by General Services Administration Washington DC), AA59553-13M (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AIRKINGAM2 (Dixon Valve & Coupling Company, Llc Div Dixon Fire).

What NSN replaces 4730-00-369-4591?

There are 7 known substitutes for 4730-00-369-4591: 4730-00-289-1260, 4730-00-293-7905, 4730-00-369-4593 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WWC633TYPE3?

Key specifications for WWC633TYPE3: Thread Series Designator: NPT ALL ENDS; Connection Style: PLAIN ALL ENDS; Nondefinitive Spec/std Data: 3 TYPE; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE BODY. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-369-4591 still in active supply?

NSN 4730-00-369-4591 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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