The Gear,bevel, cataloged under National Stock Number 3020-00-084-7101, 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27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-084-7101 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.343 INCHES BOTH ENDS IN |
| Teeth Quantity | 42 |
| Second Step Nominal Diameter | 0.655 INCHES FIRST END IN |
| Pitch Angle | 55.8000 DEGREES |
| Tooth Direction | LEFT |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.185 INCHES SECOND END IN |
| First Step Nominal Length | 0.710 INCHES FIRST END IN |
| Teeth Type | SPIRAL |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM HUB |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM TEETH |
| Nominal Overall Length | 1.391 INCHES IN |
| Criticality Code Justification | FEAT |
| Second Step Nominal Length | 0.065 INCHES FIRST END IN |
| Style Designator | SIDE FACE, BACK HUB PROTRUDING |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.7500 INCHES NOMINAL IN |
| First Step Nominal Diameter | 0.472 INCHES FIRST END IN |
| Hub Style Designator | 2 STEPS FIRST END |
| Spline Quantity | 10 BOTH ENDS |
| End Nominal Length | 0.410 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.777 INCHES IN |
| End Nominal Diameter | 0.649 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP E9310 OVERALL |
| Spline Pitch Diameter | 0.3120 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.185 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 362940-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-084-7101 is a Gear,bevel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-084-7101: Bore Nominal Diameter: 0.343 INCHES BOTH ENDS IN; Teeth Quantity: 42; Second Step Nominal Diameter: 0.655 INCHES FIRST END IN; Pitch Angle: 55.8000 DEGREES. 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.
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.