PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59326A/7-1-B-1Coupling Half,quick Disconnect

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-01-140-0444 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-140-0444 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-140-0444. Primary manufacturer part number: AA59326A/7-1-B-1.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Specification/standard Data: 96906-MS27026 GOVERNMENT STANDARD AND 81349-MIL-C-27487 GOVERNMENT SPECIFICATION
  • Nondefinitive Spec/std Data: 2 CLASS AND 7 TYPE
  • Thread Series Designator: NPT ALL ENDS
  • Material: COPPER ALLOY BODY
  • Nominal Thread Size: 0.500 INCHES ALL ENDS IN
  • Quick Disconnect Method: CAM-LOCKING ALL ENDS
  • Material Document and Classification: QQ-C-390,ALLOY 836,844 OR 922 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-140-0444, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-140-0444
Primary Part NumberAA59326A/7-1-B-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
Specification/standard Data96906-MS27026 GOVERNMENT STANDARD AND 81349-MIL-C-27487 GOVERNMENT SPECIFICATION
Nondefinitive Spec/std Data2 CLASS AND 7 TYPE
Thread Series DesignatorNPT ALL ENDS
MaterialCOPPER ALLOY BODY
Nominal Thread Size0.500 INCHES ALL ENDS IN
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Material Document and ClassificationQQ-C-390,ALLOY 836,844 OR 922 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY
Connection StylePLAIN ALL ENDS
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Connection TypeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-075-3268 INTERCHANGEABLE
Gasket
4730-00-084-7436 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-088-9285 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-203-1010 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-360-0710 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-410-9530 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-471-3117 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-491-0032 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-649-9118 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-873-4551 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
AA59326A/7-1-B-1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/7A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326VII11 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/7 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326/7-1-B-1 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
MS27026-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5330-00-075-3268INTERCHANGEABLE
GASKET
4730-00-084-7436INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-088-9285INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-203-1010INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-360-0710INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-410-9530INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-471-3117INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-491-0032INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-649-9118INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-873-4551INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-115-5175INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-214-3621INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-01-140-0444?

NSN 4730-01-140-0444 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 4730-01-140-0444?

NSN 4730-01-140-0444 has 7 cross-referenced part numbers: AA59326A/7-1-B-1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/7A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59326VII11 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/7 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59326/7-1-B-1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 2 more.

What NSN replaces 4730-01-140-0444?

There are 12 known substitutes for 4730-01-140-0444: 5330-00-075-3268, 4730-00-084-7436, 4730-00-088-9285 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59326A/7-1-B-1?

Key specifications for AA59326A/7-1-B-1: Specification/standard Data: 96906-MS27026 GOVERNMENT STANDARD AND 81349-MIL-C-27487 GOVERNMENT SPECIFICATION; Nondefinitive Spec/std Data: 2 CLASS AND 7 TYPE; Overall Length: 1.375 INCHES NOMINAL IN; Thread Series Designator: NPT ALL ENDS. 12 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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