The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-486-7541, 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 3 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-486-7541 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Mating End Identification | AIR-LOCK,COUPLING HALF,DISCONNECT,P/N C20744-1 |
| Style Designator | MALE COUPLING HALF |
| Seat Angle | 37.0 DEGREES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 10282-01 | 3/2 Design control — primary reference U.S. Government activity |
| 4730PL1817665 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4730PL0741545 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C20745-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| C20745 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-486-7541 is a Coupling Half,quick Disconnect, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-486-7541: Mating End Identification: AIR-LOCK,COUPLING HALF,DISCONNECT,P/N C20744-1; Style Designator: MALE COUPLING HALF; Overall Length: 1.230 INCHES NOMINAL IN; Seat Angle: 37.0 DEGREES. 3 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.