The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-546-3596, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-546-3596 |
| Primary Part Number | 751-6402795 FIND AY65 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 WIRE ROPE AND 2 SLEEVE |
| Flow Angle | 180.0 DEGREES |
| Nominal Pipe Size Accommodated | 0.125 INCHES FIRST FLUID END CONNECTION IN |
| Connection Style | PLAIN FIRST FLUID END CONNECTION |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL SECOND FLUID END CONNECTION |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Connection Type | THREADED EXTERNAL BOSS SECOND QUICK DISCONNECT END |
| Style Designator | COUPLING ASSEMBLY, THREADED INTERNAL |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.125 INCHES FIRST FLUID END CONNECTION IN |
| Nominal Thread Size | 0.375 INCHES SECOND QUICK DISCONNECT END IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Thread Class | 2A SECOND FLUID END CONNECTION A |
| Material | STEEL CORROSION RESISTING SOCKET |
| Material | NICKEL AND CHROMIUM ALLOY PLUG |
| Thread Series Designator | NPT FIRST FLUID END CONNECTION |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND FLUID END CONNECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 751-6402112 FIND 69 | Naval Sea Systems Command (USA) |
| 751-6402111 ITEM 69 | Naval Sea Systems Command (USA) |
| 751-6402795 FIND AY65 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 211097386 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-546-3596 is a Coupling Assembly,quick Disconne, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-546-3596 has 3 manufacturer part numbers on file: 751-6402112 FIND 69 (Naval Sea Systems Command), 751-6402111 ITEM 69 (Naval Sea Systems Command), 751-6402795 FIND AY65 (Naval Sea Systems Command).
Key specifications for 751-6402795 FIND AY65: Furnished Items and Quantity: 1 WIRE ROPE AND 2 SLEEVE; Flow Angle: 180.0 DEGREES; Nominal Pipe Size Accommodated: 0.125 INCHES FIRST FLUID END CONNECTION IN; Connection Style: PLAIN FIRST FLUID END CONNECTION. 18 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.