PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59326/1-9-ACoupling Half,quick Disconnect

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-00-840-0796 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-840-0796 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-840-0796. Primary manufacturer part number: AA59326/1-9-A.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Quick Disconnect Method: CAM-LOCKING ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
  • Material: ALUMINUM ALLOY BODY
  • Thread Series Designator: NPT ALL ENDS
  • Material Document and Classification: QQ-A-601,T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601,T5 FED SPEC 2ND MATERIAL RESPONSE BODY
  • Nominal Thread Size: 4.000 INCHES ALL ENDS IN
  • Surface Treatment: ANODIZE BODY
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-840-0796, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 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
NSN4730-00-840-0796
Primary Part NumberAA59326/1-9-A
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
MaterialALUMINUM ALLOY BODY
Thread Series DesignatorNPT ALL ENDS
Material Document and ClassificationQQ-A-601,T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601,T5 FED SPEC 2ND MATERIAL RESPONSE BODY
Nominal Thread Size4.000 INCHES ALL ENDS IN
Surface TreatmentANODIZE BODY
Style DesignatorMALE COUPLING HALF
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Quick Disconnect Nominal Size4.250 INCHES ALL ENDS IN
Leg Length1.500 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationMIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE BODY
Connection StylePLAIN ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-079-1362 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-079-1364 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-141-3195 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-516-4450 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-517-6827 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-948-1719 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-007-5981 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-020-4762 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-020-7204 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-021-6346 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
AA59326/1-9-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326I19 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS27020-17 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AA59326/1A-9-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-079-1362INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-079-1364INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-141-3195INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-516-4450INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-517-6827INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-948-1719INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-007-5981INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-020-4762INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-020-7204INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-021-6346INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-073-5852INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-135-5587INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-840-0796?

NSN 4730-00-840-0796 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 4730-00-840-0796?

NSN 4730-00-840-0796 has 5 cross-referenced part numbers: AA59326/1-9-A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59326I19 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS27020-17 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AA59326/1A-9-A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-840-0796?

There are 12 known substitutes for 4730-00-840-0796: 4730-00-079-1362, 4730-00-079-1364, 4730-00-141-3195 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59326/1-9-A?

Key specifications for AA59326/1-9-A: Quick Disconnect Method: CAM-LOCKING ALL ENDS; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Material: ALUMINUM ALLOY BODY; Thread Series Designator: NPT ALL ENDS. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-840-0796 still in active supply?

NSN 4730-00-840-0796 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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