The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-472-8812, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Clark Brothers Instrument Co. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-472-8812 |
| Primary Part Number | 19207-12470685 |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Clark Brothers Instrument Co |
| Status | ACTIVE |
| Design Type | DUAL REDUCTION |
| Gear Type | WORM |
| Input Shaft Type | INTERNAL GEAR |
| Total Ratio | FIRST END 1 TO 0.329 AND SECOND END 1 TO 0.329 |
| Output Shaft Quantity | 2 |
| 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 |
|---|---|
| 19207-12470685 PRIMARY | Clark Brothers Instrument Co (USA) |
| Reference | Meaning |
|---|---|
| 12470685 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3010-01-472-8812 is a Gear Assembly,speed Decreaser, manufactured by Clark Brothers Instrument Co, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-472-8812 has 1 manufacturer part number on file: 19207-12470685 (Clark Brothers Instrument Co).
Key specifications for 19207-12470685: Design Type: DUAL REDUCTION; Gear Type: WORM; Input Shaft Type: INTERNAL GEAR; Total Ratio: FIRST END 1 TO 0.329 AND SECOND END 1 TO 0.329. 5 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.