The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-145-4207, 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 17 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-145-4207 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 PREFORMED PACKING AND 1 LOCKNUT AND 1 TAILPIECE AND 1 FLAT WASHER |
| Flow Angle | 90.0 DEGREES |
| Connection Style | SOCKET BRAZING RING (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.169 INCHES FIRST END IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 3.062 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.094 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.312 INCHES SECOND END IN |
| Thread Class | 2A SECOND END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | NICKEL ALLOY NUT |
| Material | COPPER ALLOY TAILPIECE |
| Material | STEEL COMP 304 BODY |
| 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 |
| Reference | Meaning |
|---|---|
| 502-4685980 F2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 502-4685980 ITEM F2 | 5/2 Secondary reference U.S. Government activity |
| 2621-021-02ASSY12 | 3/2 Design control — primary reference U.S. Government activity |
| 2621-021-02 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-145-4207 is a Elbow,tube to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-145-4207: Furnished Items and Quantity: 2 PREFORMED PACKING AND 1 LOCKNUT AND 1 TAILPIECE AND 1 FLAT WASHER; Flow Angle: 90.0 DEGREES; Connection Style: SOCKET BRAZING RING (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.169 INCHES FIRST END IN. 17 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.