The Key,track No.1, cataloged under National Stock Number 2825-01-289-8199, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Key,track No.1 |
| FSC / FSG | 2825 — Steam Turbines and Components (FSG 28) |
| Manufacturers | Timken Gears & Services Inc. Div Philadelphia Gear (CAGE 17454) |
| Parameter | Value |
|---|---|
| NSN | 2825-01-289-8199 |
| Primary Part Number | 4051G97-01 |
| Item Name | Key,track No.1 |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| 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 |
|---|---|
| 4051G97-01 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 4051G97-G01 | 5/9 Secondary reference Timken Gears & Services Inc. Div Philadelphia Gear |
| 959E478-013 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 4051G97-G01 | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
NSN 2825-01-289-8199 is a Key,track No.1, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-01-289-8199 has 1 manufacturer part number on file: 4051G97-01 (Timken Gears & Services Inc. Div Philadelphia Gear).
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.