The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-650-1775, 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 Murdock Industrial, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-650-1775 |
| Primary Part Number | SDH3003S/S |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Murdock Industrial, Inc. |
| Status | ACTIVE |
| Style Designator | FEMALE 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 |
|---|---|
| SDH3003S/S PRIMARY | Murdock Industrial, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 801-6640822-16-1 | 5/1 Secondary reference Naval Sea Systems Command |
| 2633-483-01-16-1 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-650-1775 is a Coupling Half,quick Disconnect, manufactured by Murdock Industrial, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-650-1775 has 1 manufacturer part number on file: SDH3003S/S (Murdock Industrial, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-652-6417. Verify interchangeability with system specifications before substitution.
Key specifications for SDH3003S/S: Style Designator: FEMALE COUPLING HALF. 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.