The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-549-4308, 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 Mcmaster-Carr Supply Co. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-549-4308 |
| Primary Part Number | 51415K54 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LOCKING DEVICE AND 1 NUT-SLEEVE |
| Nominal Pipe Size Accommodated | 1.500 INCHES FIRST FLUID END CONNECTION IN |
| Connection Style | PLAIN FIRST FLUID END CONNECTION |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | FEMALE COUPLING HALF |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.500 INCHES FIRST FLUID END CONNECTION IN |
| Media for Which Designed | WATER SINGLE RESPONSE |
| Thread Quantity Per Inch | 11 1/2 FIRST FLUID END CONNECTION |
| Material | ALUMINUM OVERALL |
| Thread Series Designator | NPT FIRST 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 | X |
| Part Number | Manufacturer |
|---|---|
| 51415K54 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 4730-01-549-4308 is a Coupling Half,quick Disconnect, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-549-4308 has 1 manufacturer part number on file: 51415K54 (Mcmaster-Carr Supply Co).
Key specifications for 51415K54: Furnished Items and Quantity: 1 LOCKING DEVICE AND 1 NUT-SLEEVE; Nominal Pipe Size Accommodated: 1.500 INCHES FIRST FLUID END CONNECTION IN; Connection Style: PLAIN FIRST FLUID END CONNECTION; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION. 11 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.