The Shaft,shouldered, cataloged under National Stock Number 3040-01-417-2709, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-417-2709 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Step Quantity | 4 |
| First End Diameter | 1.2480 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.5000 INCHES NOMINAL IN |
| First End External Thread Length | 1.000 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED |
| Material Document and Classification | AMS5659 ASSN STD SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.1240 INCHES NOMINAL IN |
| End Similarity | IDENTICAL |
| First End Distance From End to Groove | 1.0000 INCHES NOMINAL IN |
| First End Groove Diameter | 1.1210 INCHES MINIMUM AND 1.1310 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| First End Groove Width | 0.2500 INCHES NOMINAL IN |
| External Keyway Length | 2.6800 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| DAA3116D153 | D/9 Drawing number reference only U.S. Government activity |
| DAA3116D153-007 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-417-2709 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-417-2709: Surface Finish: 63.0 MICROINCHES; Step Quantity: 4; First End Diameter: 1.2480 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM IN; Largest Step Diameter: 1.5000 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.
NSN 3040-01-417-2709 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.