The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-00-756-9499, 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 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-756-9499 |
| Primary Part Number | AS25427 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Society of Automotive Engineers Inc |
| Status | CANCELLED |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND FLUID END CONNECTION |
| Thread Class | 3B FIRST FLUID END CONNECTION |
| Features Provided | SELF-SEALING |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST FLUID END CONNECTION |
| Surface Treatment | ANODIZE OVERALL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Material | ALUMINUM ALLOY OVERALL |
| Style Designator | COUPLING ASSEMBLY |
| Criticality Code Justification | FEAT |
| Nominal Thread Size | 0.562 INCHES FIRST FLUID END CONNECTION IN |
| Seat Angle | 37.0 DEGREES |
| Quick Disconnect Method | TWIST-LOCK ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE SECOND FLUID END CONNECTION |
| Nominal Thread Size | 0.562 INCHES SECOND FLUID END CONNECTION IN |
| Leg Length | 0.556 INCHES NOMINAL IN |
| Connection Type | THREADED INTERNAL BOSS FIRST FLUID END CONNECTION |
| Maximum Operating Temp | 135.0 CELSIUS SINGLE RESPONSE DEGC |
| Connection Style | BOSS GASKET SEAL FIRST FLUID END CONNECTION |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS25427 | Society of Automotive Engineers Inc (USA) |
| MIL-DTL-25427 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AS24333 | Sae International Dba Sae International (USA) |
| 511514-2 | Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA) |
| AS24333-A-6 | Society of Automotive Engineers Inc (USA) |
| AS24333 | Society of Automotive Engineers Inc (USA) |
| 3200-6 | Eaton Aeroquip Llc Dba Jackson North 1 (USA) |
| 3200-6 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| MS24333-A-6 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS24333-X-6 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-C-25427 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AS24333-A-6 | Sae International Dba Sae International (USA) |
NSN 4730-00-756-9499 is a Coupling Assembly,quick Disconne, manufactured by Society of Automotive Engineers Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-756-9499 has 12 cross-referenced part numbers: AS25427 (Society of Automotive Engineers Inc), MIL-DTL-25427 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS24333 (Sae International Dba Sae International), 511514-2 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), AS24333-A-6 (Society of Automotive Engineers Inc) and 7 more.
There are 12 known substitutes for 4730-00-756-9499: 5310-00-545-6888, 4730-00-564-2688, 4730-00-595-0759 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS25427: Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) SECOND FLUID END CONNECTION; Thread Class: 3B FIRST FLUID END CONNECTION; Features Provided: SELF-SEALING; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST FLUID END CONNECTION. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-756-9499 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.