The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-461-6590, 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 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-461-6590 |
| Item Name | Adapter,straight,pipe to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | SOCKET (HOSE) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Inside Diameter Hose Accommodated | 1.250 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 1.688 INCHES SECOND END IN |
| Nominal Overall Length | 4.040 INCHES IN |
| Connection Type | UNTHREADED INTERNAL HOSE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Material | STEEL OVERALL |
| Thread Series Designator | NPTF FIRST END |
| 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 |
|---|---|
| 10143-20-20 | 3/2 Design control — primary reference U.S. Government activity |
| 10143-20-20 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-461-6590 is a Adapter,straight,pipe to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-461-6590: Connection Style: SOCKET (HOSE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Inside Diameter Hose Accommodated: 1.250 INCHES SECOND END IN; Nominal Outside Diameter Hose Accommodated: 1.688 INCHES SECOND END IN. 10 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.