PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59326/4Coupling Half,quick Disconnect

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-01-664-6169 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-664-6169 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-664-6169. Primary manufacturer part number: A-A-59326/4.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Style Designator: MALE COUPLING HALF
  • Media for Which Designed: GASOLINE SINGLE RESPONSE
  • Operating Pressure: 150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Thickness: 0.375 INCHES IN
  • Nominal Outside Diameter: 6.625 INCHES IN
  • Material: ALUMINUM ALLOY BODY
  • Quick Disconnect Method: CAM-LOCKING FIRST QUICK DISCONNECT END
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-664-6169, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, 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
NSN4730-01-664-6169
Primary Part NumberA-A-59326/4
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Style DesignatorMALE COUPLING HALF
Media for Which DesignedGASOLINE SINGLE RESPONSE
Operating Pressure150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thickness0.375 INCHES IN
Nominal Outside Diameter6.625 INCHES IN
MaterialALUMINUM ALLOY BODY
Quick Disconnect MethodCAM-LOCKING FIRST QUICK DISCONNECT END
Quick Disconnect Nominal Size4.00 INCHES FIRST QUICK DISCONNECT END IN
Bolt Hole Quantity8
Connection TypeEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
Connection TypeFLANGE FIRST FLUID END CONNECTION
Connection StyleCAM OR LEVER (EXTERNAL) FIRST QUICK DISCONNECT END
Bolt Circle Nominal Diameter5.875 INCHES IN
Bolt Hole Nominal Diameter0.438 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4730-00-402-5955 INTERCHANGEABLE
Coupling Half,quick Disconnect
5330-00-551-4572 INTERCHANGEABLE
Gasket
4730-00-840-5347 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-889-2380 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-186-0816 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-416-1533 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-518-8444 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
A-A-59326/4 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326/4-4-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/4B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326IV14 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-402-5955INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5330-00-551-4572INTERCHANGEABLE
GASKET
4730-00-840-5347INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-889-2380INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-186-0816INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-416-1533INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-518-8444INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-01-664-6169?

NSN 4730-01-664-6169 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 4730-01-664-6169?

NSN 4730-01-664-6169 has 4 cross-referenced part numbers: A-A-59326/4 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59326/4-4-A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/4B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59326IV14 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-01-664-6169?

There are 7 known substitutes for 4730-01-664-6169: 4730-00-402-5955, 5330-00-551-4572, 4730-00-840-5347 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-59326/4?

Key specifications for A-A-59326/4: Style Designator: MALE COUPLING HALF; Media for Which Designed: GASOLINE SINGLE RESPONSE; Operating Pressure: 150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Thickness: 0.375 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-664-6169 still in active supply?

NSN 4730-01-664-6169 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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