The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-034-2176, 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 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-034-2176 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | SOCKET ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Surface Treatment | ANODIZE BODY |
| First End Outside Diameter Hose Accommodated | 4.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY BODY |
| Quick Disconnect Method | CAM-LOCKING ALL ENDS |
| 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 |
|---|---|
| 77C5208A0012 | 5/9 Secondary reference U.S. Government activity |
| 77C5208A0013-3 | 3/2 Design control — primary reference U.S. Government activity |
| MCD4112-4ITEM8-11-13T015 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-034-2176 is a Coupling Half,quick Disconnect, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-034-2176: Connection Style: SOCKET ALL ENDS; Style Designator: MALE COUPLING HALF; Overall Length: 4.500 INCHES NOMINAL IN; Surface Treatment: ANODIZE BODY. 6 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.