The Coupling,pipe, cataloged under National Stock Number 4730-01-673-4316, 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11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-673-4316 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | HEXAGON FIRST END |
| Nominal Outside Diameter Hose Accommodated | 0.250 INCHES FIRST END IN |
| Connection Type | UNTHREADED INTERNAL HOSE INLET |
| Style Designator | SCREWED |
| Material Document and Classification | MANUFACTUREDATASHEET MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 0.250 INCHES INLET IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | STEEL COMP 303 OVERALL |
| 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 |
|---|---|
| S728 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-673-4316 is a Coupling,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-673-4316: Flange Shape: HEXAGON FIRST END; Nominal Outside Diameter Hose Accommodated: 0.250 INCHES FIRST END IN; Connection Type: UNTHREADED INTERNAL HOSE INLET; Style Designator: SCREWED. 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.