The Shaft,shouldered, cataloged under National Stock Number 3040-01-237-1296, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-237-1296 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Diameter | 0.7812 INCHES NOMINAL IN |
| First End Spline Major Diameter | 0.6562 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 0.750 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.4062 INCHES NOMINAL IN |
| First End Distance Between First and Second Groove Centers | 0.281 INCHES NOMINAL IN |
| First End Style | TWO CIRCULAR GROOVES AND SPLINED (STRAIGHT_) |
| Second End Spline Major Diameter | 0.5625 INCHES NOMINAL IN |
| Second End Groove Diameter | 0.0938 INCHES NOMINAL IN |
| First End Spline Length | 0.688 INCHES NOMINAL IN |
| First End Spline Quantity | 12 |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.750 INCHES NOMINAL IN |
| Second End Spline Quantity | 18 |
| Second End Groove Width | 0.2500 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 1.156 INCHES NOMINAL IN |
| First End Groove Diameter | 0.2500 INCHES NOMINAL IN |
| Second End Style | TWO CIRCULAR GROOVES AND SPLINED (STRAIGHT_) |
| First End Spline Minor Diameter | 0.4688 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| First End Groove Width | 0.1562 INCHES NOMINAL IN |
| Second End Spline Length | 1.000 INCHES NOMINAL IN |
| Second End Distance Between First and Second Groove Centers | 0.281 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 |
|---|---|
| A82302-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-237-1296 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-237-1296: Step Quantity: 7; First End Diameter: 0.7812 INCHES NOMINAL IN; First End Spline Major Diameter: 0.6562 INCHES NOMINAL IN; Second End Diameter: 0.7500 INCHES NOMINAL IN. 24 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.