The Gear Set,spur,matched, cataloged under National Stock Number 3020-01-555-8989, 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 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3020-01-555-8989 |
| Primary Part Number | 00577L968G-9 |
| Item Name | Gear Set,spur,matched |
| 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 A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0038G4122G-1 ITEM 57 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| 00577L968G-9 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| 577L968G-9 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 577L968G-9 | 5/9 Secondary reference General Electric Company |
| 0038G4122G-1 ITEM 57 | 5/9 Secondary reference General Electric Company |
| 00577L968G-9 | 5/9 Secondary reference General Electric Company |
NSN 3020-01-555-8989 is a Gear Set,spur,matched, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-555-8989 has 3 manufacturer part numbers on file: 0038G4122G-1 ITEM 57 (Timken Gears & Services Inc. Div Philadelphia Gear), 00577L968G-9 (Timken Gears & Services Inc. Div Philadelphia Gear), 577L968G-9 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 00577L968G-9: Part Name Assigned by Controlling Agency: GEAR SET; End Item Identification: TURNING GEAR ASSY. 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.