The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-718-8330, 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 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-718-8330 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Style Designator | ELBOW |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Leg Length | 1.630 INCHES MINIMUM AND 1.690 INCHES MAXIMUM FIRST END IN |
| Leg Length | 1.910 INCHES MINIMUM AND 1.970 INCHES MAXIMUM SECOND END IN |
| Nominal Thread Size | 1.0625 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Thread Series Designator | UN ALL ENDS |
| 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 |
|---|---|
| MS51527B12J | 2/2 Government specification standardization U.S. Government activity |
| MS51527 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-718-8330 is a Elbow,tube to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-718-8330: Flow Angle: 90.0 DEGREES; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 14 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.