The Gear,bevel, cataloged under National Stock Number 3020-01-202-0481, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-202-0481 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.751 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.250 INCHES BOTH ENDS IN |
| Teeth Quantity | 40 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.062 INCHES SECOND END IN |
| Bore Style | STRAIGHT SPLINE BOTH ENDS |
| Bore Style | W/COUNTERBORE SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.125 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 1.187 INCHES IN |
| Style Designator | SIDE FACE, FRONT HUB FLUSH, BACK HUB PROTRUDING |
| Pitch Diameter | 5.0000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 10 BOTH ENDS |
| Nominal Outside Diameter | 5.112 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.312 INCHES SECOND END IN |
| Face Nominal Width | 1.000 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 |
|---|---|
| SSN637-501-2143862 | D/9 Drawing number reference only U.S. Government activity |
| 77643-69X3 PIECE 13 | 3/2 Design control — primary reference U.S. Government activity |
| SSN637-501-2143862 PIECE 13 | 5/2 Secondary reference U.S. Government activity |
| 77643-69X3 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-202-0481 is a Gear,bevel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-202-0481: Bore Nominal Diameter: 0.751 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.250 INCHES BOTH ENDS IN; Teeth Quantity: 40; Body Style: PLAIN, SOLID. 19 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.