The Shaft,shouldered, cataloged under National Stock Number 3040-00-402-9394, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-402-9394 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 4 |
| First End Diameter | 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Second End Diameter | 0.3936 INCHES MINIMUM AND 0.3939 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.502 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 0.3670 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0290 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.032 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 202332-1 | 3/9 Design control — primary reference Saga Engineering Corp |
| 202332-1 | 5/9 Secondary reference Data Products Corp |
NSN 3040-00-402-9394 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-402-9394: Surface Finish: 32.0 MICROINCHES; Step Quantity: 4; First End Diameter: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Second End Diameter: 0.3936 INCHES MINIMUM AND 0.3939 INCHES MAXIMUM IN. 12 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.