The Shaft,shouldered, cataloged under National Stock Number 3040-00-204-9507, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-204-9507 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hole Diameter | 0.0630 INCHES NOMINAL IN |
| Step Quantity | 7 |
| First End Diameter | 0.1869 INCHES NOMINAL IN |
| Second End Diameter | 0.1869 INCHES NOMINAL IN |
| Largest Step Diameter | 0.557 INCHES NOMINAL IN |
| First End Hole Depth | 0.187 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Second End Distance From Hole Center to End | 0.150 INCHES NOMINAL IN |
| Second End Hole Depth | 0.187 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.0630 INCHES NOMINAL IN |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL CORROSION RESISTING |
| First End Distance From Hole Center to End | 0.109 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 |
|---|---|
| 12050-1 | 3/9 Design control — primary reference Beier-Chanoux Corp |
NSN 3040-00-204-9507 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 2805-00-397-9670, 5330-01-202-2186, 5998-01-473-8291. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-204-9507: Second End Hole Diameter: 0.0630 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 0.1869 INCHES NOMINAL IN; Second End Diameter: 0.1869 INCHES NOMINAL IN. 14 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.