The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-534-4338, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-534-4338 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST QUICK DISCONNECT END IN |
| Connection Style | PUSH (INTERNAL) FIRST QUICK DISCONNECT END |
| Connection Type | THREADED EXTERNAL PIPE FIRST QUICK DISCONNECT END |
| Style Designator | MALE COUPLING HALF |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.375 INCHES FIRST QUICK DISCONNECT END IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Quantity Per Inch | 18 FIRST QUICK DISCONNECT END |
| Material | COPPER ALLOY AND NICKEL ALLOY BODY |
| Thread Series Designator | NPT FIRST QUICK DISCONNECT END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| B36EN | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-534-4338 is a Coupling Half,quick Disconnect, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-534-4338: Nominal Pipe Size Accommodated: 0.500 INCHES FIRST QUICK DISCONNECT END IN; Connection Style: PUSH (INTERNAL) FIRST QUICK DISCONNECT END; Connection Type: THREADED EXTERNAL PIPE FIRST QUICK DISCONNECT END; Style Designator: MALE COUPLING HALF. 10 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.