The Shaft,shouldered, cataloged under National Stock Number 3040-00-396-6810, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-396-6810 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 40.0 MICROINCHES |
| Second End External Thread Length | 0.830 INCHES NOMINAL IN |
| Step Quantity | 3 |
| Largest Step Diameter | 2.060 INCHES MINIMUM AND 2.090 INCHES MAXIMUM IN |
| First End Hole Depth | 2.060 INCHES MINIMUM AND 2.090 INCHES MAXIMUM IN |
| First End Style | UNTHREADED CROSS DRILLED |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.3750 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| First End Distance From Hole Center to End | 0.750 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 |
|---|---|
| 240-5257112-2 | 5/9 Secondary reference General Dynamics Corp Convair Div Lindbergh Field Facility |
| 240-5257112-2 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
| 240-5257112-2 | 5/9 Secondary reference Tracor Flight Systems Inc Sub of Tracor Inc |
| 240-5257112-2 | 3/9 Design control — primary reference Bae Systems Technology Solutions & Services Inc. |
NSN 3040-00-396-6810 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-396-6810: Surface Finish: 40.0 MICROINCHES; Second End External Thread Length: 0.830 INCHES NOMINAL IN; Step Quantity: 3; Largest Step Diameter: 2.060 INCHES MINIMUM AND 2.090 INCHES MAXIMUM IN. 11 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.