The Elbow,flange to Hose, cataloged under National Stock Number 4730-01-418-0309, 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 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-418-0309 |
| Item Name | Elbow,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND FIRST END |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | SOCKET (HOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 1.250 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 1.875 INCHES SECOND END IN |
| Connection Type | UNTHREADED INTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.150 INCHES NOMINAL FIRST END IN |
| Leg Length | 5.030 INCHES NOMINAL SECOND END IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 1.250 INCHES FIRST END IN |
| Material | STEEL OVERALL |
| Nominal Thickness | 0.315 INCHES FIRST END IN |
| 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 |
|---|---|
| 11771-20-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-418-0309 is a Elbow,flange to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-418-0309: Flange Shape: ROUND FIRST END; Flow Angle: 45.0 DEGREES; Flange Face Design: PLAIN FIRST END; Connection Style: SOCKET (HOSE) SECOND END. 15 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.