PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4730008156491Coupling Assembly,quick Disconne

E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales · NSN 4730-00-815-6491 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-815-6491 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-815-6491. Primary manufacturer part number: 4730008156491.
Features
  • Coupling Assembly,quick Disconne — FSC 4730
  • Maximum Operating Temp: -54.0 CELSIUS SINGLE RESPONSE DEGC
  • Style Designator: COUPLING ASSEMBLY
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: ALUMINUM ALLOY BODY
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST QUICK DISCONNECT END IN
  • Thread Series Designator: UN FIRST QUICK DISCONNECT END
  • Seat Angle: 12.0 DEGREES
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-00-815-6491, 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 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-815-6491
Primary Part Number4730008156491
Item NameCoupling Assembly,quick Disconne
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerE.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
StatusCANCELLED
Maximum Operating Temp-54.0 CELSIUS SINGLE RESPONSE DEGC
Style DesignatorCOUPLING ASSEMBLY
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialALUMINUM ALLOY BODY
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST QUICK DISCONNECT END IN
Thread Series DesignatorUN FIRST QUICK DISCONNECT END
Seat Angle12.0 DEGREES
Surface TreatmentANODIZE BODY
Nominal Thread Size1.312 INCHES FIRST QUICK DISCONNECT END IN
Maximum Operating Temp134.0 CELSIUS FIRST RESPONSE DEGC
Connection StyleFLARELESS FIRST QUICK DISCONNECT END
Thread Class3A FIRST QUICK DISCONNECT END A
Connection TypeTHREADED EXTERNAL TUBE FIRST QUICK DISCONNECT END
Thread Quantity Per Inch12 FIRST QUICK DISCONNECT END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-684-4718 INTERCHANGEABLE
Coupling Assembly,quick Disconne
4730-00-684-7199 INTERCHANGEABLE
Coupling Assembly,quick Disconne
4730-00-756-9499 INTERCHANGEABLE
Coupling Assembly,quick Disconne
4730-00-795-2837 INTERCHANGEABLE
Flange,pipe
4730-00-795-2838 INTERCHANGEABLE
Flange,pipe
4730-00-812-4150 INTERCHANGEABLE
Flange,pipe
4730-00-812-6916 INTERCHANGEABLE
Flange,pipe
4730-00-826-8877 INTERCHANGEABLE
Flange,pipe
4730-00-849-8824 INTERCHANGEABLE
Coupling Assembly,quick Disconne
4730-00-877-6104 INTERCHANGEABLE
Coupling Assembly,quick Disconne
Cross-Reference Index
Part NumberManufacturer
4730008156491 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
MS24334-A-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-25427 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS24334A8 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
AS25427 Society of Automotive Engineers Inc (USA)
Related Parts
4730-00-684-4718INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
4730-00-684-7199INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
4730-00-756-9499INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
4730-00-795-2837INTERCHANGEABLE
FLANGE,PIPE
4730-00-795-2838INTERCHANGEABLE
FLANGE,PIPE
4730-00-812-4150INTERCHANGEABLE
FLANGE,PIPE
4730-00-812-6916INTERCHANGEABLE
FLANGE,PIPE
4730-00-826-8877INTERCHANGEABLE
FLANGE,PIPE
4730-00-849-8824INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
4730-00-877-6104INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
4730-00-893-6837INTERCHANGEABLE
FLANGE,PIPE
4730-00-897-4882INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE

Frequently Asked Questions

What is NSN 4730-00-815-6491?

NSN 4730-00-815-6491 is a Coupling Assembly,quick Disconne, manufactured by E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-815-6491?

NSN 4730-00-815-6491 has 5 cross-referenced part numbers: 4730008156491 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), MS24334-A-8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-25427 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS24334A8 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), AS25427 (Society of Automotive Engineers Inc).

What NSN replaces 4730-00-815-6491?

There are 12 known substitutes for 4730-00-815-6491: 4730-00-684-4718, 4730-00-684-7199, 4730-00-756-9499 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730008156491?

Key specifications for 4730008156491: Maximum Operating Temp: -54.0 CELSIUS SINGLE RESPONSE DEGC; Style Designator: COUPLING ASSEMBLY; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: ALUMINUM ALLOY BODY. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-815-6491 still in active supply?

NSN 4730-00-815-6491 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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