The Shaft,shouldered, cataloged under National Stock Number 3040-01-370-2849, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-370-2849 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hole Diameter | 0.2200 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 0.7480 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 1.5000 INCHES NOMINAL IN |
| Second End Diameter | 0.6200 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.0000 INCHES MAXIMUM IN |
| First End Style | INDENTED FLAT KEYWAY |
| First End Keyway Depth | 0.1040 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 5.7100 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL COMP 1018 |
| External Keyway Length | 1.120 INCHES MAXIMUM FIRST END IN |
| First End Keyway Width | 0.1890 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 |
|---|---|
| 9170424 | D/9 Drawing number reference only U.S. Government activity |
| 9170424-01 | 5/9 Secondary reference U.S. Government activity |
| 9170424-01 | 3/2 Design control — primary reference U.S. Government activity |
| 9170424 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-370-2849 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-370-2849: Second End Hole Diameter: 0.2200 INCHES NOMINAL IN; Step Quantity: 4; First End Diameter: 0.7480 INCHES MAXIMUM IN; First End Distance From Keyway Center to End: 1.5000 INCHES NOMINAL IN. 14 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.