The Gear,bevel, cataloged under National Stock Number 3020-00-239-5630, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-239-5630 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Nominal Diameter | 1.750 INCHES SECOND END IN |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.3125 INCHES FIRST END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 2.219 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Pitch Diameter | 3.1250 INCHES NOMINAL IN |
| Nominal Outside Diameter | 3.3660 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.6406 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Body Recess Nominal Depth | 0.1250 INCHES FIRST END IN |
| Face Nominal Width | 0.875 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 |
|---|---|
| GNB17B | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-239-5630 is a Gear,bevel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-239-5630: Hub Nominal Diameter: 1.750 INCHES SECOND END IN; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 1.3125 INCHES FIRST END IN; Teeth Type: STRAIGHT. 13 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.