The Gear,helical, cataloged under National Stock Number 3020-00-658-8213, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-658-8213 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 6.2500 INCHES BOTH ENDS IN |
| Helix Angle | 20.0000 DEGREES |
| Teeth Quantity | 45 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Teeth Type | SINGLE HELIX |
| Nominal Overall Length | 6.350 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 8.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 7.5600 INCHES SECOND END IN |
| Nominal Outside Diameter | 8.3350 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 3.000 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 |
|---|---|
| 3A-2051-X | 3/9 Design control — primary reference Cooper Cameron Corp Ajax-Superior Div |
NSN 3020-00-658-8213 is a Gear,helical, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-658-8213: Bore Nominal Diameter: 6.2500 INCHES BOTH ENDS IN; Helix Angle: 20.0000 DEGREES; Teeth Quantity: 45; Body Style: PLAIN, SOLID. 15 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.