The Shaft,shouldered, cataloged under National Stock Number 3040-00-276-4165, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-276-4165 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 6 |
| First End Diameter | 0.4998 INCHES NOMINAL IN |
| Second End Diameter | 0.5000 INCHES NOMINAL IN |
| Largest Step Diameter | 0.593 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.4273 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Second End Spline Major Diameter | 0.4897 INCHES NOMINAL IN |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.312 INCHES NOMINAL IN |
| Second End Spline Quantity | 15 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Groove Diameter | 0.4900 INCHES NOMINAL IN |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL CORROSION RESISTING |
| Second End Pitch Diameter | 0.4688 INCHES NOMINAL IN |
| First End Groove Width | 0.0620 INCHES NOMINAL IN |
| Second End Spline Length | 0.7500 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 |
| Reference | Meaning |
|---|---|
| CV21-010134-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-276-4165 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-276-4165: Surface Finish: 32.0 MICROINCHES; Step Quantity: 6; First End Diameter: 0.4998 INCHES NOMINAL IN; Second End Diameter: 0.5000 INCHES NOMINAL IN. 19 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.