PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59326/2Coupling Half,quick Disconnect

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-00-542-4030 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-542-4030 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-542-4030. Primary manufacturer part number: A-A-59326/2.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Leg Length: 2.250 INCHES MINIMUM IN
  • Nominal Inside Diameter Hose Accommodated: 1.234 INCHES ALL ENDS IN
  • Material: COPPER ALLOY BODY
  • Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS
  • Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
  • Quick Disconnect Nominal Size: 1.250 INCHES ALL ENDS IN
  • Quick Disconnect Method: CAM-LOCKING ALL ENDS
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-542-4030, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-542-4030
Primary Part NumberA-A-59326/2
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Leg Length2.250 INCHES MINIMUM IN
Nominal Inside Diameter Hose Accommodated1.234 INCHES ALL ENDS IN
MaterialCOPPER ALLOY BODY
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
Quick Disconnect Nominal Size1.250 INCHES ALL ENDS IN
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Style DesignatorMALE COUPLING HALF
Connection StyleBARBED OR SERRATED END ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-360-0592 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-649-7388 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-873-4535 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-938-7996 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-949-8291 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-079-3305 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-079-5807 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-139-4511 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-164-9254 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-208-9277200-E-AL INTERCHANGEABLE
Coupling Half,quick Disconnect
Dvcc, Llc
Cross-Reference Index
Part NumberManufacturer
A-A-59326/2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326/2-4-B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
125-C-BR Dvcc, Llc (USA)
AA59326/2A-4-B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
633E Opw Fueling Components Inc. Div Opw Fueling Components (USA)
633E Dover Resources Inc Dba Opw Engineered Systems (USA)
MS27021-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-360-0592INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-649-7388INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-873-4535INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-938-7996INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-949-8291INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-079-3305INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-079-5807INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-139-4511INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-164-9254INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-208-9277INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
200-E-AL
4730-01-231-2789INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-649-9848INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-542-4030?

NSN 4730-00-542-4030 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: active.

What are the part numbers for NSN 4730-00-542-4030?

NSN 4730-00-542-4030 has 7 cross-referenced part numbers: A-A-59326/2 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59326/2-4-B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 125-C-BR (Dvcc, Llc), AA59326/2A-4-B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 633E (Opw Fueling Components Inc. Div Opw Fueling Components) and 2 more.

What NSN replaces 4730-00-542-4030?

There are 12 known substitutes for 4730-00-542-4030: 4730-00-360-0592, 4730-00-649-7388, 4730-00-873-4535 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-59326/2?

Key specifications for A-A-59326/2: Overall Length: 4.375 INCHES MINIMUM IN; Leg Length: 2.250 INCHES MINIMUM IN; Nominal Inside Diameter Hose Accommodated: 1.234 INCHES ALL ENDS IN; Material: COPPER ALLOY BODY. 10 total characteristics are documented in the Federal Logistics Information System.

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