PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59325VIII11Coupling Half,quick Disconnect

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-01-186-0818 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-186-0818 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-186-0818. Primary manufacturer part number: AA59325VIII11.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Connection Type: FLANGE FIRST FLUID END CONNECTION
  • Bolt Circle Nominal Diameter: 3.750 INCHES IN
  • Material: ALUMINUM ALLOY BODY
  • Bolt Hole Quantity: 6
  • Surface Treatment: ANODIZE BODY
  • Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS
  • Connection Style: PLAIN ALL ENDS
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-186-0818, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-186-0818
Primary Part NumberAA59325VIII11
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Connection TypeFLANGE FIRST FLUID END CONNECTION
Bolt Circle Nominal Diameter3.750 INCHES IN
MaterialALUMINUM ALLOY BODY
Bolt Hole Quantity6
Surface TreatmentANODIZE BODY
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Connection StylePLAIN ALL ENDS
Surface Treatment Document and ClassificationMIL-A-8625,TY2,CL1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
Quick Disconnect Nominal Size2.510 INCHES ALL ENDS IN
Basic Shape StyleROUND FIRST FLUID END CONNECTION
Nominal Outside Diameter4.500 INCHES IN
Nominal Thickness0.375 INCHES IN
Quick Disconnect MethodCAM-LOCKING ALL ENDS
Material Document and ClassificationQQ-A-601,T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601,T5 FED SPEC 2ND MATERIAL RESPONSE BODY
Furnished ItemsGASKET
Bolt Hole Nominal Diameter0.438 INCHES IN
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-088-9166 INTERCHANGEABLE
Gasket
4730-00-840-5348 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-889-2378 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-983-6789 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-01-644-8092 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
AA59325VIII11 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
200-DLT-AL Dvcc, Llc (USA)
A-A-59326/8 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59325/8-1-A-1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS27027-11 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
633LBT2AL Opw Fueling Components Inc. Div Opw Fueling Components (USA)
AA59326/8-1-A-1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5330-00-088-9166INTERCHANGEABLE
GASKET
4730-00-840-5348INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-889-2378INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-983-6789INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-01-644-8092INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 4730-01-186-0818?

NSN 4730-01-186-0818 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 4730-01-186-0818?

NSN 4730-01-186-0818 has 7 cross-referenced part numbers: AA59325VIII11 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 200-DLT-AL (Dvcc, Llc), A-A-59326/8 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59325/8-1-A-1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS27027-11 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 4730-01-186-0818?

There are 5 known substitutes for 4730-01-186-0818: 5330-00-088-9166, 4730-00-840-5348, 4730-00-889-2378 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59325VIII11?

Key specifications for AA59325VIII11: Connection Type: FLANGE FIRST FLUID END CONNECTION; Bolt Circle Nominal Diameter: 3.750 INCHES IN; Material: ALUMINUM ALLOY BODY; Bolt Hole Quantity: 6. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com