The Plug,quick Disconnect, cataloged under National Stock Number 4730-01-078-9946, 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 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-078-9946 |
| Item Name | Plug,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Material Document and Classification | QQ-C-390 FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-390 FED SPEC 2ND MATERIAL RESPONSE AND QQ-B-626 FED SPEC 3RD MATERIAL RESPONSE BODY |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Quick Disconnect Nominal Size | 4.000 INCHES IN |
| Specification/standard Data | 96906-MS27029 GOVERNMENT STANDARD |
| Maximum Operating Temp | 225.0 FAHRENHEIT DEGF |
| Material | COPPER ALLOY BODY |
| Quick Disconnect Method | CAM-LOCKING |
| 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 |
|---|---|
| 634-A4 | 5/9 Secondary reference Dover Resources Inc Dba Opw Engineered Systems |
| MS27029-18 | 2/2 Government specification standardization U.S. Government activity |
| 634-A4 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-078-9946 is a Plug,quick Disconnect, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-078-9946: Material Document and Classification: QQ-C-390 FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-390 FED SPEC 2ND MATERIAL RESPONSE AND QQ-B-626 FED SPEC 3RD MATERIAL RESPONSE BODY; Overall Length: 2.125 INCHES NOMINAL IN; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Quick Disconnect Nominal Size: 4.000 INCHES IN. 7 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.