The Shaft,shouldered, cataloged under National Stock Number 3040-00-305-4307, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-305-4307 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| FSC Application Data | HYDRAULIC SYSTEMS,AIRCRAFT |
| Step Quantity | 2 |
| First End Diameter | 0.3750 INCHES NOMINAL IN |
| First End Step Length | 0.4370 INCHES NOMINAL IN |
| Second End Diameter | 0.4600 INCHES NOMINAL IN |
| Second End Step Length | 0.625 INCHES NOMINAL IN |
| Largest Step Diameter | 0.460 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.1400 INCHES NOMINAL IN |
| First End Groove Diameter | 0.2320 INCHES NOMINAL IN |
| Second End Style | SQUARE (ROUND CORNERS) |
| Material | STEEL CORROSION RESISTING |
| Second End Width Across Flats | 0.3120 INCHES NOMINAL IN |
| First End Groove Width | 0.2220 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| CV15-901567-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-305-4307 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-305-4307: Surface Finish: 125.0 MICROINCHES; FSC Application Data: HYDRAULIC SYSTEMS,AIRCRAFT; Step Quantity: 2; First End Diameter: 0.3750 INCHES NOMINAL IN. 16 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.
NSN 3040-00-305-4307 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.