The Gear,spur, cataloged under National Stock Number 3020-01-255-8713, 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 Timken Gears & Services Inc. Div Philadelphia Gear. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Gear,spur |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Timken Gears & Services Inc. Div Philadelphia Gear (CAGE 17454); General Electric Company (CAGE 01289) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-255-8713 |
| Primary Part Number | 4051G57-001 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 959E456-002 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| 4051G57-001 | General Electric Company (USA) |
| 4051G57-001 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| 959E460-002 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 959E460-002 | 5/9 Secondary reference General Electric Company |
| 959E456-002 | 5/9 Secondary reference General Electric Company |
NSN 3020-01-255-8713 is a Gear,spur, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-255-8713 has 4 manufacturer part numbers on file: 959E456-002 (Timken Gears & Services Inc. Div Philadelphia Gear), 4051G57-001 (General Electric Company), 4051G57-001 (Timken Gears & Services Inc. Div Philadelphia Gear), 959E460-002 (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.
NSN 3020-01-255-8713 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.