The Gear Rack, cataloged under National Stock Number 3020-00-481-3673, 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 12 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 | 3020-00-481-3673 |
| Primary Part Number | 10898654 |
| Item Name | Gear Rack |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Teeth Quantity | 21 |
| Pitch Height | 1.1870 INCHES NOMINAL IN |
| Teeth Type | SPUR |
| Nominal Overall Length | 16.750 INCHES IN |
| Style Designator | ROUND, BOSS MOUNTED |
| Nominal Outside Diameter | 2.000 INCHES IN |
| Boss Nominal Length | 1.750 INCHES FIRST END IN |
| Boss Nominal Diameter | 0.875 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4140H OVERALL |
| Nominal Thickness | 2.000 INCHES IN |
| Face Nominal Width | 1.041 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 |
|---|---|
| 10898654 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-00-481-3673 is a Gear Rack, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-481-3673 has 1 manufacturer part number on file: 10898654 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10898654: Teeth Quantity: 21; Pitch Height: 1.1870 INCHES NOMINAL IN; Teeth Type: SPUR; Nominal Overall Length: 16.750 INCHES IN. 12 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.