The Shaft,shouldered, cataloged under National Stock Number 3040-00-600-5644, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-600-5644 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 0.4910 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 0.750 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Second End Groove Diameter | 0.6970 INCHES NOMINAL IN |
| Second End Slot Depth | 0.562 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Slot Width | 0.196 INCHES NOMINAL IN |
| First End Hole Diameter | 0.1875 INCHES NOMINAL IN |
| Second End Groove Width | 0.0937 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.205 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND SLOTTED |
| Material | STEEL |
| First End Distance From Hole Center to End | 0.1562 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 |
|---|---|
| N6717AFBGC | 5/9 Secondary reference U.S. Government activity |
| 16601755 | 3/9 Design control — primary reference U.S. Government activity |
| C6717AFBGC | 5/9 Secondary reference U.S. Government activity |
| 16601755 | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
NSN 3040-00-600-5644 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-600-5644: Step Quantity: 3; First End Diameter: 0.4910 INCHES NOMINAL IN; Second End Diameter: 0.7500 INCHES NOMINAL IN; Largest Step Diameter: 0.750 INCHES NOMINAL IN. 15 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.