The Shaft,shouldered, cataloged under National Stock Number 3040-00-433-2771, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-433-2771 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Second End Hole Diameter | 0.2650 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 0.5620 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN |
| First End Flat Depth | 0.0312 INCHES NOMINAL IN |
| Second End Diameter | 0.5620 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.620 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN |
| First End Style | FLATTED |
| Second End Distance From Hole Center to End | 0.375 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| First End Flat Length | 1.187 INCHES NOMINAL IN |
| Material | STEEL COMP 316 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 701365A | 3/1 Design control — primary reference Dresser, Llc |
NSN 3040-00-433-2771 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-433-2771: Surface Finish: 125.0 MICROINCHES; Second End Hole Diameter: 0.2650 INCHES NOMINAL IN; Step Quantity: 4; First End Diameter: 0.5620 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN. 13 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.