The Shaft,shouldered, cataloged under National Stock Number 3040-01-494-3956, 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14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-494-3956 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hole Diameter | 0.0980 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 0.2470 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN |
| Second End Diameter | 0.4330 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.250 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Second End Distance From Hole Center to End | 0.250 INCHES NOMINAL IN |
| Second End Hole Depth | 0.375 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.0980 INCHES NOMINAL IN |
| Second End Style | CROSS DRILLED HOLE AND INTERNALLY THREADED |
| Material | COPPER ALLOY 360 |
| Second End Internal Thread Length | 0.312 INCHES NOMINAL IN |
| First End Distance From Hole Center to End | 0.113 INCHES MINIMUM AND 0.118 INCHES MAXIMUM 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 |
|---|---|
| A36541 | 3/9 Design control — primary reference Marine Acquisition (us) Incorporated Div Prime Line Industrial Controls |
| A36541 | 5/9 Secondary reference Incom Intl Inc Morse Controls Div |
| 17-1-6734 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3040-01-494-3956 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-494-3956: Second End Hole Diameter: 0.0980 INCHES NOMINAL IN; Step Quantity: 2; First End Diameter: 0.2470 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN; Second End Diameter: 0.4330 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM 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.