The Shaft,shouldered, cataloged under National Stock Number 3040-01-100-4944, 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14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-100-4944 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 9 |
| First End Diameter | 0.7500 INCHES NOMINAL IN |
| First End Spline Major Diameter | 0.7450 INCHES NOMINAL IN |
| Second End Diameter | 0.4720 INCHES NOMINAL IN |
| Largest Step Diameter | 2.000 INCHES NOMINAL IN |
| First End Style | SPLINED (STRAIGHT) |
| Second End Slot Depth | 0.312 INCHES NOMINAL IN |
| First End Spline Length | 0.812 INCHES NOMINAL IN |
| First End Spline Quantity | 10 |
| End Similarity | NOT IDENTICAL |
| Second End Slot Width | 0.125 INCHES NOMINAL IN |
| Second End Style | SLOTTED |
| First End Spline Minor Diameter | 0.4840 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 507808 | 3/9 Design control — primary reference Cooper Industries Inc Dba Cooper Tools |
| 507808 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3040-01-100-4944 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-100-4944: Step Quantity: 9; First End Diameter: 0.7500 INCHES NOMINAL IN; First End Spline Major Diameter: 0.7450 INCHES NOMINAL IN; Second End Diameter: 0.4720 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.