PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59326/3ACoupling Half,quick Disconnect

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-00-840-0797 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-840-0797 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-840-0797. Primary manufacturer part number: AA59326/3A.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Material: ALUMINUM BODY
  • Quick Disconnect Nominal Size: 4.141 INCHES ALL ENDS IN
  • Quick Disconnect Method: CAM-LOCKING ALL ENDS
  • Thread Series Designator: NPT ALL ENDS
  • Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS
  • Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
  • Connection Style: PLAIN ALL ENDS
Applications
  • Applications requiring Aluminum Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-840-0797, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-840-0797
Primary Part NumberAA59326/3A
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
MaterialALUMINUM BODY
Quick Disconnect Nominal Size4.141 INCHES ALL ENDS IN
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Connection TypeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
Connection StylePLAIN ALL ENDS
Nominal Thread Size4.000 INCHES ALL ENDS IN
Leg Length1.375 INCHES NOMINAL IN
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-00-289-5368 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-360-0589 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-347-8545 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
AA59326/3A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326/3A-9-A Labarge Products Inc. (USA)
A-A-59326/3 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326/3-9-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MIL-C-27487 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
C13200E6399 Chief of Engineers Dept of Army (USA)
MS27022-17 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
633-F 4IN Dover Resources Inc Dba Opw Engineered Systems (USA)
633-F 4IN Opw Fueling Components Inc. Div Opw Fueling Components (USA)
Related Parts
4730-00-289-5368INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-360-0589INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-347-8545INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-00-840-0797?

NSN 4730-00-840-0797 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 4730-00-840-0797?

NSN 4730-00-840-0797 has 9 cross-referenced part numbers: AA59326/3A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59326/3A-9-A (Labarge Products Inc.), A-A-59326/3 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59326/3-9-A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MIL-C-27487 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 4730-00-840-0797?

There are 3 known substitutes for 4730-00-840-0797: 4730-00-289-5368, 4730-00-360-0589, 4730-01-347-8545. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59326/3A?

Key specifications for AA59326/3A: Material: ALUMINUM BODY; Quick Disconnect Nominal Size: 4.141 INCHES ALL ENDS IN; Quick Disconnect Method: CAM-LOCKING ALL ENDS; Thread Series Designator: NPT ALL ENDS. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-840-0797 still in active supply?

NSN 4730-00-840-0797 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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