The Gear,spur, cataloged under National Stock Number 3020-01-467-3046, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-467-3046 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.190 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.876 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.875 INCHES SECOND END IN |
| Teeth Quantity | 57 |
| Body Style | WEBBED, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.000 INCHES BOTH ENDS IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Material Document and Classification | ASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Pitch Diameter | 2.8500 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Hub Style Designator | 1 GROOVE SECOND END |
| Nominal Outside Diameter | 2.948 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.531 INCHES BOTH ENDS IN |
| Nominal Distance From End to First Groove | 0.250 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 6150 OVERALL |
| First Groove Nominal Diameter | 1.500 INCHES SECOND END IN |
| First Groove Nominal Width | 0.255 INCHES SECOND END IN |
| Body Recess Nominal Depth | 0.250 INCHES FIRST END IN |
| 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 |
|---|---|
| 12375325 | 3/2 Design control — primary reference U.S. Government activity |
| 12375325 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3020-01-467-3046 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-467-3046: Keyway Nominal Width: 0.190 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.876 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.875 INCHES SECOND END IN; Teeth Quantity: 57. 22 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.