PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59326/4-6-ACoupling Half,quick Disconnect

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-01-416-1533 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-416-1533 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-416-1533. Primary manufacturer part number: AA59326/4-6-A.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Material Document and Classification: QQ-A-601 MIL STD SINGLE MATERIAL RESPONSE BODY
  • Style Designator: MALE COUPLING HALF
  • Connection Type: UNTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
  • Leg Length: 2.875 INCHES NOMINAL IN
  • Surface Treatment: ANODIZE BODY
  • Quick Disconnect Method: CAM-LOCKING FIRST QUICK DISCONNECT END
  • Nominal Outside Diameter Tube Accommodated: 2.000 INCHES ALL ENDS IN
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-416-1533, 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 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-416-1533
Primary Part NumberAA59326/4-6-A
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Material Document and ClassificationQQ-A-601 MIL STD SINGLE MATERIAL RESPONSE BODY
Style DesignatorMALE COUPLING HALF
Connection TypeUNTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Leg Length2.875 INCHES NOMINAL IN
Surface TreatmentANODIZE BODY
Quick Disconnect MethodCAM-LOCKING FIRST QUICK DISCONNECT END
Nominal Outside Diameter Tube Accommodated2.000 INCHES ALL ENDS IN
MaterialALUMINUM ALLOY BODY
Connection StyleGROOVED ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
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
4730-01-518-8444 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-664-6169 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
AA59326/4-6-A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS27023-21 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A-A59326/4A-6BA Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A59326 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/4 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
4730-01-518-8444INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-664-6169INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-01-416-1533?

NSN 4730-01-416-1533 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 4730-01-416-1533?

NSN 4730-01-416-1533 has 5 cross-referenced part numbers: AA59326/4-6-A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS27023-21 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), A-A59326/4A-6BA (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A59326 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/4 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-01-416-1533?

There are 7 known substitutes for 4730-01-416-1533: 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 AA59326/4-6-A?

Key specifications for AA59326/4-6-A: Material Document and Classification: QQ-A-601 MIL STD SINGLE MATERIAL RESPONSE BODY; Style Designator: MALE COUPLING HALF; Connection Type: UNTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Leg Length: 2.875 INCHES NOMINAL IN. 11 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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