The Gear,bevel, cataloged under National Stock Number 3020-01-052-0486, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-052-0486 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Spline Quantity | 23 SECOND END |
| Bore Nominal Diameter | 1.250 INCHES FIRST END IN |
| Teeth Quantity | 25 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Pitch Angle | 29.4000 DEGREES |
| Tooth Direction | LEFT |
| Bore Style | PARTIAL FIRST END |
| Bore Style | THREAD SERIES DESIGNATOR PARTIALLY THREADED SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 5.480 INCHES SECOND END IN |
| Teeth Type | SPIRAL |
| Nominal Overall Length | 6.010 INCHES IN |
| Style Designator | SIDE FACE, FRONT HUB PROTRUDING |
| Bore Nominal Depth | 4.170 INCHES FIRST END IN |
| Pitch Diameter | 4.0828 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Hub Style Designator | EXTERNALLY SPLINED, INVOLUTE SPLINES SECOND END |
| Nominal Outside Diameter | 4.395 INCHES IN |
| Thread Class | 3B SECOND END |
| Thread Quantity Per Inch | 16 SECOND END |
| Pressure Angle | 22.5000 DEGREES |
| Material | STEEL OVERALL |
| Hub Spline Pitch Diameter | 1.4375 INCHES NOMINAL SECOND END IN |
| Thread Series Designator | UN SECOND END |
| Nominal Thread Length | 0.675 INCHES SECOND END IN |
| Body Recess Nominal Depth | 0.484 INCHES FIRST END IN |
| Face Nominal Width | 0.781 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 209-040-037 | D/9 Drawing number reference only U.S. Government activity |
| 209-040-037-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-052-0486 is a Gear,bevel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-052-0486: Hub Spline Quantity: 23 SECOND END; Bore Nominal Diameter: 1.250 INCHES FIRST END IN; Teeth Quantity: 25; Body Style: PLAIN, WITH LIGHTENING HOLES. 27 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.
NSN 3020-01-052-0486 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.