The Shaft,shouldered, cataloged under National Stock Number 3040-01-380-4572, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-380-4572 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 0.8500 INCHES MINIMUM AND 0.9100 INCHES MAXIMUM IN |
| Second End Diameter | 1.2500 INCHES MINIMUM AND 1.3000 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.400 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| First End Style | CIRCULAR GROOVED |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.1200 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN |
| First End Groove Diameter | 0.4100 INCHES MINIMUM AND 0.4200 INCHES MAXIMUM IN |
| Second End Style | PLAIN |
| Material | STEEL CORROSION RESISTING |
| First End Groove Width | 0.1600 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM 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 |
|---|---|
| 297578-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-380-4572 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-380-4572: Step Quantity: 2; First End Diameter: 0.8500 INCHES MINIMUM AND 0.9100 INCHES MAXIMUM IN; Second End Diameter: 1.2500 INCHES MINIMUM AND 1.3000 INCHES MAXIMUM IN; Largest Step Diameter: 0.400 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 11 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.