The Gear,spur, cataloged under National Stock Number 3020-00-908-1595, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 19 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 | 3020-00-908-1595 |
| Primary Part Number | 10954223 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Keyway Nominal Width | 0.1583 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.7885 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.3125 INCHES FIRST END IN |
| Hub Nominal Diameter | 1.3125 INCHES SECOND END IN |
| Backlash Designation | GRADE B |
| Teeth Quantity | 58 |
| Body Style | WEBBED, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | FLUSH HUB |
| Pitch Diameter | 4.8333 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| Nominal Outside Diameter | 4.9641 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.4782 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.747 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10954223 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-00-908-1595 is a Gear,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-908-1595 has 1 manufacturer part number on file: 10954223 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10954223: Keyway Nominal Width: 0.1583 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.7885 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.3125 INCHES FIRST END IN; Hub Nominal Diameter: 1.3125 INCHES SECOND END IN. 19 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.
NSN 3020-00-908-1595 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.