PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59553Coupling Half,quick Disconnect

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-00-496-5953 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-496-5953 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-496-5953. Primary manufacturer part number: A-A-59553.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Style Designator: MALE COUPLING HALF
  • Quick Disconnect Method: TWO LUG UNIVERSAL ALL ENDS
  • Connection Style: BARBED OR SERRATED END ALL ENDS
  • Material: IRON BODY
  • Furnished Items and Quantity: 1 SEAL
  • Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
Applications
  • Applications requiring Iron Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-496-5953, 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 Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN4730-00-496-5953
Primary Part NumberA-A-59553
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY
Style DesignatorMALE COUPLING HALF
Quick Disconnect MethodTWO LUG UNIVERSAL ALL ENDS
Connection StyleBARBED OR SERRATED END ALL ENDS
MaterialIRON BODY
Furnished Items and Quantity1 SEAL
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
Specification/standard Data58536 A-A-59553 GOVERNMENT SPECIFICATION A
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE BODY
Nominal Inside Diameter Hose Accommodated1.000 INCHES ALL ENDS IN
Nondefinitive Spec/std Data1 TYPE
Surface TreatmentZINC BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-203-2998A28-239 INTERCHANGEABLE
Coupling Half,quick Disconnect
Dresser Industries Inc Leroi Div
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
4730-00-369-4591 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-369-4593 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-369-4595 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-496-5951AM6 INTERCHANGEABLE
Coupling Half,quick Disconnect
Dixon Valve & Coupling Company, Llc Div Dixon Fire
4730-00-844-9014 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-279-45685344K42 INTERCHANGEABLE
Coupling Half,quick Disconnect
Mcmaster-Carr Supply Co
Cross-Reference Index
Part NumberManufacturer
A-A-59553 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AM-11 Dvcc, Llc (USA)
WW-C-633TYPE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AM11 Dixon Valve & Coupling Company, Llc Div Dixon Fire (USA)
AA59553-05M Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WW-C-633-05-M Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-203-2998INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
A28-239
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
4730-00-369-4591INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-369-4593INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-369-4595INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-496-5951INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
AM6
4730-00-844-9014INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-279-4568INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5344K42
5305-01-335-7059INTERCHANGEABLE
THUMBSCREW
SCH-347
4730-01-340-2282INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-496-5953?

NSN 4730-00-496-5953 is a Coupling Half,quick Disconnect, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-496-5953?

NSN 4730-00-496-5953 has 6 cross-referenced part numbers: A-A-59553 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AM-11 (Dvcc, Llc), WW-C-633TYPE1 (Federal Specifications Promulgated by General Services Administration Washington DC), AM11 (Dixon Valve & Coupling Company, Llc Div Dixon Fire), AA59553-05M (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 1 more.

What NSN replaces 4730-00-496-5953?

There are 12 known substitutes for 4730-00-496-5953: 4730-00-203-2998, 4730-00-273-0667, 4730-00-289-1260 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-59553?

Key specifications for A-A-59553: Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE BODY; Style Designator: MALE COUPLING HALF; Quick Disconnect Method: TWO LUG UNIVERSAL ALL ENDS; Connection Style: BARBED OR SERRATED END ALL ENDS. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-496-5953 still in active supply?

NSN 4730-00-496-5953 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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