PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59326Coupling Half,quick Disconnect

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-01-518-8444 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-518-8444 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-518-8444. Primary manufacturer part number: A-A-59326.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: Federal Commercial Item Description Promulgated by General Services Administration Washington DC
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-518-8444, 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. This item has 3 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: Active.

Technical Specifications
ParameterValue
NSN4730-01-518-8444
Primary Part NumberA-A-59326
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
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
4730-01-416-1533 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-664-6169 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
A-A-59326 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)
AA59326/4-8-A 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
4730-01-664-6169INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-01-518-8444?

NSN 4730-01-518-8444 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 4730-01-518-8444?

NSN 4730-01-518-8444 has 3 cross-referenced part numbers: A-A-59326 (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), AA59326/4-8-A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-01-518-8444?

There are 7 known substitutes for 4730-01-518-8444: 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?

Key specifications for A-A-59326: End Item Identification: THIS COMPONENT WILL REPLACE NSN 4730-01-207-8304. 1 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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