The Gear,bevel, cataloged under National Stock Number 3020-01-086-5498, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-086-5498 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.532 INCHES COUNTER BORE SECOND END IN |
| Teeth Quantity | 21 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.782 INCHES COUNTER BORE SECOND END IN |
| Pitch Angle | 50.0000 DEGREES |
| Bore Style | W/COUNTERBORE COUNTER BORE SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.600 INCHES SECOND END IN |
| First Step Nominal Length | 0.094 INCHES FIRST END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 1.190 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Pitch Diameter | 1.6834 INCHES NOMINAL IN |
| First Step Nominal Diameter | 1.396 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| End Nominal Length | 0.600 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.850 INCHES IN |
| End Nominal Diameter | 1.247 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.575 INCHES COUNTER BORE SECOND END IN |
| Face Nominal Width | 0.406 INCHES IN |
| 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 |
|---|---|
| 4684480A-0004 | 3/2 Design control — primary reference U.S. Government activity |
| 4684480-0004 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-01-086-5498 is a Gear,bevel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-086-5498: Bore Nominal Diameter: 0.532 INCHES COUNTER BORE SECOND END IN; Teeth Quantity: 21; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 0.782 INCHES COUNTER BORE SECOND END IN. 21 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.