The Shaft,shouldered, cataloged under National Stock Number 3040-01-487-7844, 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15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-487-7844 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Diameter | 0.2500 INCHES NOMINAL IN |
| Second End Diameter | 0.5313 INCHES NOMINAL IN |
| Largest Step Diameter | 0.7100 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.4375 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Second End Spline Major Diameter | 0.5313 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.3000 INCHES NOMINAL IN |
| Second End Spline Quantity | 16 |
| First End Groove Diameter | 0.2285 INCHES MINIMUM AND 0.2315 INCHES MAXIMUM IN |
| Second End Style | SPLINED (STRAIGHT) |
| Material | STEEL COMP 416 |
| First End Groove Width | 0.0290 INCHES NOMINAL IN |
| Second End Spline Length | 0.8000 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 |
|---|---|
| 99311112-01 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 99311112-01 | 3/9 Design control — primary reference Moog Inc. Dba Moog Components Group |
| 99311112 | D/9 Drawing number reference only Moog Inc. Dba Moog Components Group |
NSN 3040-01-487-7844 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-487-7844: Step Quantity: 7; First End Diameter: 0.2500 INCHES NOMINAL IN; Second End Diameter: 0.5313 INCHES NOMINAL IN; Largest Step Diameter: 0.7100 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.