The Shaft,shouldered, cataloged under National Stock Number 3040-00-993-7097, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-993-7097 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| FSC Application Data | HYDRAULIC SYSTEM AIRCRAFT |
| Step Quantity | 4 |
| First End Diameter | 0.5620 INCHES NOMINAL IN |
| Second End Diameter | 0.6130 INCHES NOMINAL IN |
| Largest Step Diameter | 1.075 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.5830 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Second End Spline Major Diameter | 0.6130 INCHES NOMINAL IN |
| Material Document and Classification | AMS 6244 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.4370 INCHES NOMINAL IN |
| Second End Spline Quantity | 8 |
| Second End Pressure Angle | 30.0000 DEGREES NOMINAL |
| First End Groove Diameter | 0.3120 INCHES NOMINAL IN |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Pitch Diameter | 0.5980 INCHES NOMINAL IN |
| First End Groove Width | 0.1870 INCHES NOMINAL IN |
| Second End Spline Length | 0.4220 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 |
|---|---|
| 697823 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-993-7097 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-993-7097: Surface Finish: 125.0 MICROINCHES; FSC Application Data: HYDRAULIC SYSTEM AIRCRAFT; Step Quantity: 4; First End Diameter: 0.5620 INCHES NOMINAL IN. 20 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.