The Shaft,shouldered, cataloged under National Stock Number 3040-00-574-5740, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-574-5740 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 0.6245 INCHES MINIMUM AND 0.6248 INCHES MAXIMUM IN |
| Second End Diameter | 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Distance From Hole Center to End | 0.750 INCHES NOMINAL IN |
| Second End Hole Depth | 0.250 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | THREADED CROSS DRILLED |
| Material | STEEL COMP 1113 |
| 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 |
|---|---|
| 13216E6142-1 | 5/9 Secondary reference U.S. Government activity |
| 13216E6142-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-574-5740 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-574-5740: Step Quantity: 2; First End Diameter: 0.6245 INCHES MINIMUM AND 0.6248 INCHES MAXIMUM IN; Second End Diameter: 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN; Largest Step Diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN. 10 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.