The Shaft,shouldered, cataloged under National Stock Number 3040-01-499-6682, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-499-6682 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hole Diameter | 0.2500 INCHES NOMINAL IN |
| Second End External Thread Length | 0.625 INCHES NOMINAL IN |
| Step Quantity | 9 |
| First End Diameter | 0.6250 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 1.250 INCHES NOMINAL IN |
| First End External Thread Length | 0.750 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Second End Groove Diameter | 0.6250 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 1.000 INCHES NOMINAL IN |
| Second End Hole Depth | 0.750 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.750 INCHES NOMINAL IN |
| Second End Groove Width | 0.1250 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.625 INCHES NOMINAL IN |
| First End Groove Diameter | 0.5000 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED, CROSS DRILLED HOLE, AND EXTERNALLY THREADED |
| Material | STEEL COMP 304 |
| First End Groove Width | 0.1250 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 |
|---|---|
| JE134-22 | 3/2 Design control — primary reference U.S. Government activity |
| JE-1153-8 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-499-6682 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-499-6699, 2040-01-500-1657. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-499-6682: Second End Hole Diameter: 0.2500 INCHES NOMINAL IN; Second End External Thread Length: 0.625 INCHES NOMINAL IN; Step Quantity: 9; First End Diameter: 0.6250 INCHES NOMINAL IN. 19 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.