The Gear,bevel, cataloged under National Stock Number 3020-00-005-7634, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-005-7634 |
| 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 |
| Teeth Quantity | 30 |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 30.0000 DEGREES |
| Bore Style | SERRATED BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.031 INCHES SECOND END IN |
| Serration Pitch Diameter | 1.0980 INCHES NOMINAL BOTH ENDS IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 0.625 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Pitch Diameter | 3.7500 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN SECOND END |
| Nominal Outside Diameter | 3.813 INCHES IN |
| Serration Quantity | 48 BOTH ENDS |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.500 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 |
|---|---|
| 778087 | 3/9 Design control — primary reference Lauson Division of Tecumseh Products Co |
| 778087 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-005-7634 is a Gear,bevel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-005-7634: Hub Nominal Diameter: 1.750 INCHES SECOND END IN; Teeth Quantity: 30; Body Style: PLAIN, SOLID; Pitch Angle: 30.0000 DEGREES. 17 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.