The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-353-7419, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Wiggins Lift Co Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-353-7419 |
| Primary Part Number | 657200 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Wiggins Lift Co Inc |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Connection Style | PLAIN (PIPE) INLET |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | THREADED EXTERNAL PIPE INLET |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Leg Length | 1.730 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.280 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.063 INCHES SECOND END IN |
| Nominal Thread Size | 0.125 INCHES INLET IN |
| Nominal Thread Size | 1.063 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT INLET |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UN SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 657200 PRIMARY | Wiggins Lift Co Inc (USA) |
NSN 4730-01-353-7419 is a Elbow,tube to Boss, manufactured by Wiggins Lift Co Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-353-7419 has 1 manufacturer part number on file: 657200 (Wiggins Lift Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-492-9913. Verify interchangeability with system specifications before substitution.
Key specifications for 657200: Flow Angle: 45.0 DEGREES; Connection Style: PLAIN (PIPE) INLET; Connection Type: THREADED EXTERNAL TUBE FIRST END; Connection Type: THREADED EXTERNAL BOSS SECOND END. 20 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.