The Coupling Assembly,hose, cataloged under National Stock Number 4730-00-288-9972, 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 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-288-9972 |
| Item Name | Coupling Assembly,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 8 BOLT |
| Connection Style | BARBED OR BEADED (HOSE) FIRST END |
| Connection Style | BARBED OR BEADED (HOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 0.625 INCHES SECOND END IN |
| Nominal Overall Length | 6.344 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Connection Type | UNTHREADED EXTERNAL HOSE FIRST END |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Seat Type | GASKET |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| WWC631 | 4/1 Identification reference U.S. Government activity |
NSN 4730-00-288-9972 is a Coupling Assembly,hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-288-9972: Furnished Items and Quantity: 8 BOLT; Connection Style: BARBED OR BEADED (HOSE) FIRST END; Connection Style: BARBED OR BEADED (HOSE) SECOND END; Nominal Inside Diameter Hose Accommodated: 0.625 INCHES FIRST END IN. 12 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.