PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59326/21-5-BNipple,quick-Disconnect

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-01-432-2552 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-432-2552 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-432-2552. Primary manufacturer part number: AA59326/21-5-B.
Features
  • Nipple,quick-Disconnect — FSC 4730
  • Quick Disconnect Method: CAM-LOCKING
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Specification/standard Data: 96906-MS39352 GOVERNMENT STANDARD
  • Material: COPPER ALLOY BODY
  • Material Document and Classification: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Connection Type: EXTERNAL QUICK DISCONNECT
  • Quick Disconnect Nominal Size: 2.000 INCHES IN
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Nipple,quick-Disconnect, cataloged under National Stock Number 4730-01-432-2552, 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 7 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-432-2552
Primary Part NumberAA59326/21-5-B
Item NameNipple,quick-Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Quick Disconnect MethodCAM-LOCKING
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Specification/standard Data96906-MS39352 GOVERNMENT STANDARD
MaterialCOPPER ALLOY BODY
Material Document and ClassificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY
Connection TypeEXTERNAL QUICK DISCONNECT
Quick Disconnect Nominal Size2.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-541-6092 INTERCHANGEABLE
Nipple,quick-Disconnect
4730-00-935-1613 INTERCHANGEABLE
Nipple,quick-Disconnect
4730-01-009-1735 INTERCHANGEABLE
Nipple,quick-Disconnect
4730-01-078-8130 INTERCHANGEABLE
Nipple,quick-Disconnect
4730-01-115-5177 INTERCHANGEABLE
Nipple,quick-Disconnect
4730-01-185-9496 INTERCHANGEABLE
Nipple,quick-Disconnect
4730-01-190-5538 INTERCHANGEABLE
Nipple,quick-Disconnect
4730-01-593-6017 INTERCHANGEABLE
Nipple,quick-Disconnect
Cross-Reference Index
Part NumberManufacturer
AA59326/21-5-B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59326/21 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS39352-10 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AA59326/21A-5-B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59326XXI25 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-541-6092INTERCHANGEABLE
NIPPLE,QUICK-DISCONNECT
4730-00-935-1613INTERCHANGEABLE
NIPPLE,QUICK-DISCONNECT
4730-01-009-1735INTERCHANGEABLE
NIPPLE,QUICK-DISCONNECT
4730-01-078-8130INTERCHANGEABLE
NIPPLE,QUICK-DISCONNECT
4730-01-115-5177INTERCHANGEABLE
NIPPLE,QUICK-DISCONNECT
4730-01-185-9496INTERCHANGEABLE
NIPPLE,QUICK-DISCONNECT
4730-01-190-5538INTERCHANGEABLE
NIPPLE,QUICK-DISCONNECT
4730-01-593-6017INTERCHANGEABLE
NIPPLE,QUICK-DISCONNECT

Frequently Asked Questions

What is NSN 4730-01-432-2552?

NSN 4730-01-432-2552 is a Nipple,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 4730-01-432-2552?

NSN 4730-01-432-2552 has 5 cross-referenced part numbers: AA59326/21-5-B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59326/21 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS39352-10 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AA59326/21A-5-B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59326XXI25 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-01-432-2552?

There are 8 known substitutes for 4730-01-432-2552: 4730-00-541-6092, 4730-00-935-1613, 4730-01-009-1735 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59326/21-5-B?

Key specifications for AA59326/21-5-B: Quick Disconnect Method: CAM-LOCKING; End Item Identification: 4610-01-341-6289; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Specification/standard Data: 96906-MS39352 GOVERNMENT STANDARD. 9 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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