The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-217-2598, 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 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-217-2598 |
| Item Name | Adapter,straight,pipe to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | PLAIN (HOSE) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 7.500 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL HOSE SECOND END |
| Nominal Thread Size | 2.000 INCHES FIRST END IN |
| Nominal Thread Size | 2.500 INCHES SECOND END IN |
| Thread Quantity Per Inch | 7-1/2 SECOND END |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NH SECOND END |
| Thread Series Designator | NPT 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 |
|---|---|
| NO.79 | 3/2 Design control — primary reference U.S. Government activity |
| FIG NO 79 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-217-2598 is a Adapter,straight,pipe to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-217-2598: Connection Style: PLAIN (HOSE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Overall Length: 7.500 INCHES IN; Connection Type: THREADED INTERNAL PIPE FIRST END. 11 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.