The Gear Cluster, cataloged under National Stock Number 3020-01-073-0046, 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 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-073-0046 |
| Primary Part Number | 12267219 |
| 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 |
| Design Type | SPUR ALL GEARS |
| Nominal Overall Length | 3.850 INCHES IN |
| Nominal Outside Diameter | 12.000 INCHES FIRST GEAR IN |
| Nominal Outside Diameter | 4.313 INCHES SECOND GEAR IN |
| Material | STEEL COMP 4140H OVERALL |
| 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 |
|---|---|
| 12267219 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12267219 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| DAX11566 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 3020-01-073-0046 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 3020-01-073-0046 has 2 manufacturer part numbers on file: 12267219 (U S Army Tank Automotive Command Amsta-Im-Mm), 12267219 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 12267219: Design Type: SPUR ALL GEARS; Nominal Overall Length: 3.850 INCHES IN; Nominal Outside Diameter: 12.000 INCHES FIRST GEAR IN; Nominal Outside Diameter: 4.313 INCHES SECOND GEAR IN. 6 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 3020-01-073-0046 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.