The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-494-0280, 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 18 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-494-0280 |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | SWIVEL, PLAIN (PIPE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES SECOND END IN |
| Leg Length | 0.850 INCHES MINIMUM AND 0.910 INCHES MAXIMUM SECOND END IN |
| Leg Length | 1.200 INCHES MINIMUM AND 1.260 INCHES MAXIMUM FIRST END IN |
| Nominal Thread Size | 0.5625 INCHES FIRST END IN |
| Nominal Thread Size | 0.2500 INCHES SECOND END IN |
| Seat Angle | 36.5 DEGREES AND 37.5 DEGREES ALL ENDS |
| Nominal Outside Diameter | 0.750 INCHES ALL ENDS IN |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 18 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | NPTF SECOND END |
| Thread Series Designator | UNF 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 |
|---|---|
| MS51506A6Z | 2/2 Government specification standardization U.S. Government activity |
| MIL-F-18866 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| MS51506 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-494-0280 is a Elbow,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-494-0280: Flow Angle: 90.0 DEGREES; Connection Style: SWIVEL, PLAIN (PIPE) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED INTERNAL TUBE SECOND END. 18 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.