The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-725-5751, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-725-5751 |
| Primary Part Number | 3205-4 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | CANCELLED |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Thread Class | 3A ALL ENDS A |
| Surface Treatment | ANODIZE BODY |
| Features Provided | SELF-SEALING |
| Quick Disconnect Method | TWIST-LOCK ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES |
| Quick Disconnect Nominal Size | 1.000 INCHES ALL ENDS IN |
| Thread Series Designator | UNF ALL ENDS |
| Connection Style | FLARED ALL ENDS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.550 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY BODY |
| Thread Quantity Per Inch | 18 ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 510156 | Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA) |
| 3205-4 | Aeroquip Corp Transportation Products Div Lawrence Plant (USA) |
| 510156-1 | Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA) |
| 320510-4 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 3205-4 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 12007232 | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 4730-00-725-5751 is a Coupling Half,quick Disconnect, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-725-5751 has 6 cross-referenced part numbers: 510156 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), 3205-4 (Aeroquip Corp Transportation Products Div Lawrence Plant), 510156-1 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), 320510-4 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 3205-4 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution) and 1 more.
There are 9 known substitutes for 4730-00-725-5751: 5998-00-054-3977, 5945-00-204-9629, 5325-00-205-6706 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3205-4: Nominal Thread Size: 0.438 INCHES ALL ENDS IN; Special Features: SUPPORTS GRUMMAN A10A AIRCRAFT; Thread Class: 3A ALL ENDS A; Surface Treatment: ANODIZE BODY. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-725-5751 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.