The Elbow,pipe to Boss, cataloged under National Stock Number 4730-01-211-9449, 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17 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-211-9449 |
| Item Name | Elbow,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LOCKNUT AND 1 LOCK WASHER AND 2 PREFORMED PACKING |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 1.500 INCHES FIRST END IN |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | UNTHREADED EXTERNAL PIPE FIRST END |
| Operating Pressure | 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 3.165 INCHES NOMINAL SECOND END IN |
| Leg Length | 4.290 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.625 INCHES SECOND END IN |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE STD INLET |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A SECOND END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 2621-021-02 | D/9 Drawing number reference only U.S. Government activity |
| 516-4682764 F43 | 5/2 Secondary reference U.S. Government activity |
| 2621-021-02 ASSY 74 | 5/2 Secondary reference U.S. Government activity |
| 14-97-0280 | 3/2 Design control — primary reference U.S. Government activity |
| 516-4682764 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-211-9449 is a Elbow,pipe to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-211-9449: Furnished Items and Quantity: 1 LOCKNUT AND 1 LOCK WASHER AND 2 PREFORMED PACKING; Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 1.500 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) FIRST END. 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.