The Shaft,shouldered, cataloged under National Stock Number 3040-00-341-9201, 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14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-341-9201 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 0.9950 INCHES NOMINAL IN |
| Largest Step Diameter | 1.500 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Material Document and Classification | MIL-S-6758 MIL SPEC ALL MATERIAL RESPONSES |
| Second End Groove Diameter | 1.0440 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.8875 INCHES NOMINAL IN |
| Second End Groove Width | 0.0940 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.406 INCHES NOMINAL IN |
| First End Groove Diameter | 0.9100 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL |
| First End Groove Width | 0.0500 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 |
|---|---|
| 54A21958 | 5/9 Secondary reference U.S. Government activity |
| 54A21958 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3040-00-341-9201 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-341-9201: Step Quantity: 5; First End Diameter: 0.9950 INCHES NOMINAL IN; Largest Step Diameter: 1.500 INCHES NOMINAL IN; First End Style: CIRCULAR GROOVED. 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.