The Gear,bevel, cataloged under National Stock Number 3020-01-151-3446, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-151-3446 |
| Primary Part Number | 6270977 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.803 INCHES BOTH ENDS IN |
| Teeth Quantity | 10 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.881 INCHES FIRST END IN |
| Pitch Angle | 32.0000 DEGREES |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Bore Style | W/COUNTERBORE FIRST END |
| Teeth Type | STRAIGHT |
| Hardness Rating | 60.0 ROCKWELL C NOMINAL OVERALL |
| Nominal Overall Length | 0.965 INCHES IN |
| Style Designator | PERIPHERAL FACE, HUBLESS |
| Material Document and Classification | 66AISI/SAE4615 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.1240 INCHES NOMINAL IN |
| Nominal Outside Diameter | 2.509 INCHES IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Pressure Angle | 24.0000 DEGREES |
| Material | STEEL COMP 4615 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6270977 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 6270977 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 3020-01-151-3446 is a Gear,bevel, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-151-3446 has 1 manufacturer part number on file: 6270977 (General Motors Llc Dba General Motors Llc).
Key specifications for 6270977: Bore Nominal Diameter: 0.803 INCHES BOTH ENDS IN; Teeth Quantity: 10; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 0.881 INCHES FIRST END IN. 18 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.