PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS25427Coupling Assembly,quick Disconne

Society of Automotive Engineers Inc · NSN 4730-00-897-4884 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-897-4884 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-897-4884. Primary manufacturer part number: AS25427.
Features
  • Coupling Assembly,quick Disconne — FSC 4730
  • Thread Quantity Per Inch: 12 FIRST FLUID END CONNECTION
  • Quick Disconnect Method: TWIST-LOCK ALL ENDS
  • Nominal Thread Size: 0.875 INCHES SECOND FLUID END CONNECTION IN
  • Leg Length: 1.781 INCHES NOMINAL IN
  • Thread Series Designator: UN FIRST FLUID END CONNECTION
  • Material: ALUMINUM OVERALL
  • Style Designator: COUPLING ASSEMBLY
Applications
  • Applications requiring Aluminum Overall construction
General Description

The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-00-897-4884, 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 Society of Automotive Engineers Inc. Government technical data includes 19 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-897-4884
Primary Part NumberAS25427
Item NameCoupling Assembly,quick Disconne
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Thread Quantity Per Inch12 FIRST FLUID END CONNECTION
Quick Disconnect MethodTWIST-LOCK ALL ENDS
Nominal Thread Size0.875 INCHES SECOND FLUID END CONNECTION IN
Leg Length1.781 INCHES NOMINAL IN
Thread Series DesignatorUN FIRST FLUID END CONNECTION
MaterialALUMINUM OVERALL
Style DesignatorCOUPLING ASSEMBLY
Surface TreatmentANODIZE OVERALL
Nominal Outside Diameter Tube Accommodated0.625 INCHES FIRST FLUID END CONNECTION IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Seat Angle12.0 DEGREES
Nominal Thread Size1.313 INCHES FIRST FLUID END CONNECTION IN
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Maximum Operating Temp135.0 FAHRENHEIT FIRST RESPONSE DEGF
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) SECOND FLUID END CONNECTION
Thread Class3A FIRST FLUID END CONNECTION A
Connection TypeTHREADED INTERNAL BOSS SECOND FLUID END CONNECTION
Maximum Operating Temp54.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection StyleFLARELESS FIRST FLUID END CONNECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-564-2688140-8D INTERCHANGEABLE
Coupling Assembly,self-Sealing
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-00-595-0759157-4D INTERCHANGEABLE
Coupling Assembly,self-Sealing
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
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
4730-00-815-6491 INTERCHANGEABLE
Coupling Assembly,quick Disconne
Cross-Reference Index
Part NumberManufacturer
AS25427 Society of Automotive Engineers Inc (USA)
MIL-C-25427 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS24334-10 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
MS24334-10 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
AS24334-A-10 Society of Automotive Engineers Inc (USA)
MS24334-A-10 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-564-2688INTERCHANGEABLE
COUPLING ASSEMBLY,SELF-SEALING
140-8D
4730-00-595-0759INTERCHANGEABLE
COUPLING ASSEMBLY,SELF-SEALING
157-4D
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
4730-00-815-6491INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
4730-00-826-8877INTERCHANGEABLE
FLANGE,PIPE
4730-00-849-8824INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE

Frequently Asked Questions

What is NSN 4730-00-897-4884?

NSN 4730-00-897-4884 is a Coupling Assembly,quick Disconne, manufactured by Society of Automotive Engineers Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-897-4884?

NSN 4730-00-897-4884 has 7 cross-referenced part numbers: AS25427 (Society of Automotive Engineers Inc), MIL-C-25427 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS24334-10 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), MS24334-10 (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) and 2 more.

What NSN replaces 4730-00-897-4884?

There are 12 known substitutes for 4730-00-897-4884: 4730-00-564-2688, 4730-00-595-0759, 4730-00-684-4718 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS25427?

Key specifications for AS25427: Thread Quantity Per Inch: 12 FIRST FLUID END CONNECTION; Quick Disconnect Method: TWIST-LOCK ALL ENDS; Nominal Thread Size: 0.875 INCHES SECOND FLUID END CONNECTION IN; Leg Length: 1.781 INCHES NOMINAL IN. 21 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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