The Shaft,shouldered, cataloged under National Stock Number 3040-00-450-1675, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-450-1675 |
| Primary Part Number | 2682946-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Second End Flat Length | 0.400 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 0.1872 INCHES NOMINAL IN |
| Second End Diameter | 0.2497 INCHES NOMINAL IN |
| Largest Step Diameter | 0.375 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Material Document and Classification | MIL-S--7720,COMP 303S,COND A MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.2417 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.227 INCHES NOMINAL IN |
| Second End Groove Width | 0.0225 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 1.569 INCHES NOMINAL IN |
| First End Groove Diameter | 0.1792 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND FLATTED |
| Material | STEEL |
| First End Groove Width | 0.0225 INCHES NOMINAL IN |
| Second End Flat Depth | 0.0397 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 |
|---|---|
| 2682946-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3040-00-450-1675 is a Shaft,shouldered, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-450-1675 has 1 manufacturer part number on file: 2682946-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2682946-1: Second End Flat Length: 0.400 INCHES NOMINAL IN; Step Quantity: 4; First End Diameter: 0.1872 INCHES NOMINAL IN; Second End Diameter: 0.2497 INCHES NOMINAL IN. 17 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.