The Gear,speedometer Drive, cataloged under National Stock Number 3020-01-134-1830, 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 Allison Transmission Inc Dba Allison Transmission, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-134-1830 |
| Primary Part Number | 29503795 |
| Item Name | Gear,speedometer Drive |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 29503795 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 29503795 | C/1 Advisory reference — outside the item-of-supply concept Mitchell Diesel Limited T/a Mitchell Powersystems |
| 6880923 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 29503795 | 5/9 Secondary reference Detroit Diesel (overseas Distribution Corp) |
| 6880923 | 5/9 Secondary reference Detroit Diesel (overseas Distribution Corp) |
NSN 3020-01-134-1830 is a Gear,speedometer Drive, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-134-1830 has 1 manufacturer part number on file: 29503795 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 29503795: Special Features: FOR ALLISON MT(B) 640, 643, 650, 653 SERIES ON HIGHWAY TRANSMISSIONS; Part Name Assigned by Controlling Agency: GEAR,SPEEDOMETER DRIVE, ELEVEN TOOTH; End Item Identification: NSN 2320-01-047-8743 TRUCK CHASSIS; LAV, ANTI-TANK. 0 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.