The Tdi Starter Pinion, cataloged under National Stock Number 3020-01-593-4176, 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 Ge Aviation Systems, Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Tdi Starter Pinion |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Ge Aviation Systems, Llc (CAGE 57301); Man Diesel & Turbo Ltd (CAGE K8098); Bae Systems Surface Ships Limited (CAGE U06R7) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-593-4176 |
| Primary Part Number | 2-27985 |
| Item Name | Tdi Starter Pinion |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ge Aviation Systems, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2-27985 PRIMARY | Ge Aviation Systems, Llc (USA) |
| 97OA31P103 | Man Diesel & Turbo Ltd (GBR) |
| 97OA31P103 | Bae Systems Surface Ships Limited (GBR) |
NSN 3020-01-593-4176 is a Tdi Starter Pinion, manufactured by Ge Aviation Systems, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-593-4176 has 3 manufacturer part numbers on file: 2-27985 (Ge Aviation Systems, Llc), 97OA31P103 (Man Diesel & Turbo Ltd), 97OA31P103 (Bae Systems Surface Ships Limited).
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.