The Shaft,shouldered, cataloged under National Stock Number 3040-00-574-2499, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-574-2499 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| FSC Application Data | RADAR EQUIPMENT,NON-AIRBORNE |
| Second End Flat Length | 0.750 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 0.2500 INCHES NOMINAL IN |
| First End Flat Depth | 0.0310 INCHES NOMINAL IN |
| Second End Diameter | 0.4370 INCHES NOMINAL IN |
| Largest Step Diameter | 0.437 INCHES NOMINAL IN |
| First End Style | FLATTED |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLATTED |
| First End Flat Length | 0.406 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| Second End Flat Depth | 0.0270 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 |
|---|---|
| SM5611 | 5/9 Secondary reference U.S. Government activity |
| SC-B-727768 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-574-2499 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-574-2499: FSC Application Data: RADAR EQUIPMENT,NON-AIRBORNE; Second End Flat Length: 0.750 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 0.2500 INCHES NOMINAL IN. 13 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.