The Shaft,shouldered, cataloged under National Stock Number 3040-01-356-0815, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-356-0815 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 1.2500 INCHES NOMINAL IN |
| Second End Bearing Seat Length | 0.4375 INCHES NOMINAL IN |
| Second End Diameter | 1.2490 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.4970 INCHES NOMINAL IN |
| Second End Distance From Bearing Seat to End | 0.4375 INCHES NOMINAL IN |
| First End External Thread Length | 1.4375 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Material Document and Classification | MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Bearing Seat Diameter | 1.2490 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | BEARING SEAT |
| Material | STEEL |
| 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 |
|---|---|
| S1602-1023000 PC 33 | 3/2 Design control — primary reference U.S. Government activity |
| S1602-1022997 PC 33 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-356-0815 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-356-0815: Step Quantity: 3; First End Diameter: 1.2500 INCHES NOMINAL IN; Second End Bearing Seat Length: 0.4375 INCHES NOMINAL IN; Second End Diameter: 1.2490 INCHES MAXIMUM IN. 13 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.