The Shaft,shouldered, cataloged under National Stock Number 3040-01-353-8511, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-353-8511 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 4 |
| First End Diameter | 0.9833 INCHES MINIMUM AND 0.9840 INCHES MAXIMUM IN |
| Second End Diameter | 0.9680 INCHES NOMINAL IN |
| Second End Step Length | 1.0620 INCHES NOMINAL IN |
| Largest Step Diameter | 1.122 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| End Similarity | NOT IDENTICAL |
| Second End Style | HEXAGONAL |
| Material | STEEL COMP 304 |
| Second End Width Across Flats | 0.8750 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 |
|---|---|
| 4524716 | D/9 Drawing number reference only U.S. Government activity |
| 4524724 | 3/2 Design control — primary reference U.S. Government activity |
| 4524716 ITEM 4 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-353-8511 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): 3950-01-440-1522, 5310-01-469-0448. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-353-8511: Step Quantity: 4; First End Diameter: 0.9833 INCHES MINIMUM AND 0.9840 INCHES MAXIMUM IN; Second End Diameter: 0.9680 INCHES NOMINAL IN; Second End Step Length: 1.0620 INCHES NOMINAL IN. 10 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.