The Gear,spur, cataloged under National Stock Number 3020-00-993-3818, 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 Altra Industrial Motion Corp.. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-993-3818 |
| Primary Part Number | GA46 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Keyway Nominal Width | 0.125 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.625 INCHES BOTH ENDS IN |
| Backlash Designation | GRADE B |
| Teeth Quantity | 46 |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ 2 KEYWAYS BOTH ENDS |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Style Designator | HUBLESS |
| Pitch Diameter | 2.3000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 2.400 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.3665 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.375 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 |
| Part Number | Manufacturer |
|---|---|
| GA46 PRIMARY | Altra Industrial Motion Corp. (USA) |
NSN 3020-00-993-3818 is a Gear,spur, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-993-3818 has 1 manufacturer part number on file: GA46 (Altra Industrial Motion Corp.).
Key specifications for GA46: Keyway Nominal Width: 0.125 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.625 INCHES BOTH ENDS IN; Backlash Designation: GRADE B; Teeth Quantity: 46. 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.