The Gear Cluster, cataloged under National Stock Number 3020-01-286-5712, 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 | 3020-01-286-5712 |
| Primary Part Number | 12364205 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.130 INCHES SECOND END IN |
| Bore Nominal Diameter | 1.651 INCHES FIRST END IN |
| Design Type | SPUR ALL GEARS |
| Bore Style | PLAIN SECOND END |
| Bore Style | INVOLUTE SPLINE FIRST END |
| Nominal Overall Length | 5.160 INCHES IN |
| Spline Quantity | 25 FIRST END |
| Nominal Outside Diameter | 2.300 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 5.083 INCHES FIRST GEAR IN |
| Material | STEEL COMP 8620H OVERALL |
| Spline Pitch Diameter | 1.5625 INCHES NOMINAL FIRST END IN |
| Construction | SOLID |
| 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 |
|---|---|
| 12364205 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-01-286-5712 is a Gear Cluster, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-286-5712 has 1 manufacturer part number on file: 12364205 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12364205: Bore Nominal Diameter: 1.130 INCHES SECOND END IN; Bore Nominal Diameter: 1.651 INCHES FIRST END IN; Design Type: SPUR ALL GEARS; Bore Style: PLAIN SECOND END. 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.
NSN 3020-01-286-5712 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.