The Shaft,shouldered, cataloged under National Stock Number 3040-00-317-7682, 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 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-317-7682 |
| Primary Part Number | E12561-32 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Second End External Thread Length | 0.5000 INCHES NOMINAL IN |
| Step Quantity | 10 |
| First End Diameter | 1.5550 INCHES MINIMUM AND 1.5630 INCHES MAXIMUM IN |
| Second End Diameter | 0.6250 INCHES NOMINAL IN |
| Largest Step Diameter | 2.500 INCHES NOMINAL IN |
| First End External Thread Length | 0.281 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| 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 |
|---|---|
| E12561-32 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| E3524PC79 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| E12561PC32 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| E12924PC32 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| E12561-32 | 5/9 Secondary reference Calabrese & Sons, Inc. |
NSN 3040-00-317-7682 is a Shaft,shouldered, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-317-7682 has 4 manufacturer part numbers on file: E12561-32 (Timken Gears & Services Inc. Div Philadelphia Gear), E3524PC79 (Timken Gears & Services Inc. Div Philadelphia Gear), E12561PC32 (Timken Gears & Services Inc. Div Philadelphia Gear), E12924PC32 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for E12561-32: Second End External Thread Length: 0.5000 INCHES NOMINAL IN; Step Quantity: 10; First End Diameter: 1.5550 INCHES MINIMUM AND 1.5630 INCHES MAXIMUM IN; Second End Diameter: 0.6250 INCHES NOMINAL IN. 10 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.