The Gear,drive,tachometer, cataloged under National Stock Number 3020-01-070-7980, 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 Cummins Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-070-7980 |
| Primary Part Number | 21690600 |
| Item Name | Gear,drive,tachometer |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,0.969 IN.DIA,0.672 IN LG 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 |
|---|---|
| 21690600 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 216906 | 5/9 Secondary reference Cummins Inc. |
NSN 3020-01-070-7980 is a Gear,drive,tachometer, manufactured by Cummins Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-070-7980 has 1 manufacturer part number on file: 21690600 (Cummins Inc.).
Key specifications for 21690600: General Characteristics Item Description: STEEL,0.969 IN.DIA,0.672 IN LG IN; End Item Identification: 2815-01-178-5461. 1 specification is 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.