The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-507-3550, 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 Transdigm Inc Div Adelwiggins Group. Government technical data includes 1 specification, 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 | 4730-01-507-3550 |
| Primary Part Number | 51401-1 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Style Designator | MALE COUPLING HALF |
| 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 |
|---|---|
| 51401-1 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
NSN 4730-01-507-3550 is a Coupling Half,quick Disconnect, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-507-3550 has 1 manufacturer part number on file: 51401-1 (Transdigm Inc Div Adelwiggins Group).
Key specifications for 51401-1: Style Designator: MALE COUPLING HALF; Special Features: MATERIAL 316 STAINLESS STEEL; SIZE -6 (3/8 IN); USED FOR HYDRAULIC FLUID OR FUEL IN; Part Name Assigned by Controlling Agency: COUPLER, QUICK DISCONNECT; End Item Identification: UNIT 4001. 1 specification is 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.