PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59326/9-2-A-1Coupling Half,quick Disconnect

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-01-412-9565 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-412-9565 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-412-9565. Primary manufacturer part number: AA59326/9-2-A-1.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Bolt Circle Nominal Diameter: 3.812 INCHES IN
  • Material: ALUMINUM ALLOY BODY
  • Bolt Hole Quantity: 6
  • Basic Shape Style: HEXAGON FIRST FLUID END CONNECTION
  • Seat Angle: 37.0 DEGREES
  • Bolt Hole Nominal Diameter: 0.345 INCHES IN
  • Connection Style: PLAIN ALL ENDS
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-412-9565, 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 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-412-9565
Primary Part NumberAA59326/9-2-A-1
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Bolt Circle Nominal Diameter3.812 INCHES IN
MaterialALUMINUM ALLOY BODY
Bolt Hole Quantity6
Basic Shape StyleHEXAGON FIRST FLUID END CONNECTION
Seat Angle37.0 DEGREES
Bolt Hole Nominal Diameter0.345 INCHES IN
Connection StylePLAIN ALL ENDS
Material Document and ClassificationQQ-A-601 FED SPEC SINGLE MATERIAL RESPONSE BODY
Quick Disconnect MethodCAM-LOCKING FIRST QUICK DISCONNECT END
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY
Connection TypeFLANGE FIRST FLUID END CONNECTION
Nominal Width Across Flats4.031 INCHES IN
Surface TreatmentANODIZE BODY
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-899-4509 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
AA59326/9-2-A-1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS70091-11 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A-A-59326 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/9A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/9 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5330-00-899-4509INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 4730-01-412-9565?

NSN 4730-01-412-9565 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 4730-01-412-9565?

NSN 4730-01-412-9565 has 5 cross-referenced part numbers: AA59326/9-2-A-1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS70091-11 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), A-A-59326 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/9A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/9 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-01-412-9565?

There is 1 known substitute for 4730-01-412-9565: 5330-00-899-4509. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59326/9-2-A-1?

Key specifications for AA59326/9-2-A-1: Bolt Circle Nominal Diameter: 3.812 INCHES IN; Material: ALUMINUM ALLOY BODY; Bolt Hole Quantity: 6; Basic Shape Style: HEXAGON FIRST FLUID END CONNECTION. 16 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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