The Shaft,shouldered, cataloged under National Stock Number 3040-01-480-7942, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-480-7942 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hole Diameter | 2.0620 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 1.9620 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 1.260 INCHES NOMINAL IN |
| Second End Diameter | 3.5000 INCHES NOMINAL IN |
| Largest Step Diameter | 6.120 INCHES NOMINAL IN |
| First End Slot Width | 0.375 INCHES NOMINAL IN |
| Second End Distance From Keyway Center to End | 2.936 INCHES NOMINAL IN |
| First End Style | INDENTED FLAT KEYWAY |
| Second End Keyway Width | 0.1860 INCHES NOMINAL IN |
| First End Keyway Depth | 1.748 INCHES NOMINAL IN |
| First End Distance Between Keyway Centers | 0.500 INCHES NOMINAL IN |
| Second End Slot Depth | 1.5000 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 1.5000 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.500 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Slot Depth | 1.0000 INCHES NOMINAL IN |
| Second End Slot Width | 0.719 INCHES NOMINAL IN |
| First End Hole Diameter | 3.5000 INCHES NOMINAL IN |
| Second End Style | CROSS DRILLED HOLE AND SLOTTED |
| Material | STEEL |
| First End Distance From Hole Center to End | 1.0000 INCHES NOMINAL IN |
| External Keyway Length | 1.250 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.3750 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 |
|---|---|
| 122-2422339 PIECE 8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-480-7942 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-480-7942: Second End Hole Diameter: 2.0620 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 1.9620 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 1.260 INCHES NOMINAL IN. 24 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.