The Plate,retaining,shaft, cataloged under National Stock Number 3040-01-258-9489, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3040-01-258-9489 |
| Primary Part Number | 2051G70-001 |
| Item Name | Plate,retaining,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Mounting Hole Quantity | 12 |
| Mounting Hole Diameter | 0.687 INCHES NOMINAL IN |
| Shape | ROUND |
| Outside Diameter | 12.250 INCHES NOMINAL IN |
| Aperture Diameter | 10.620 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.560 INCHES NOMINAL IN |
| 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 |
|---|---|
| 2051G70-001 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 2051G70 | D/9 Drawing number reference only General Electric Company |
| 2051G70-001 | 5/9 Secondary reference General Electric Company |
NSN 3040-01-258-9489 is a Plate,retaining,shaft, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-258-9489 has 1 manufacturer part number on file: 2051G70-001 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 2051G70-001: Mounting Hole Quantity: 12; Mounting Hole Diameter: 0.687 INCHES NOMINAL IN; Shape: ROUND; Outside Diameter: 12.250 INCHES NOMINAL IN. 7 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.