The Shaft,shouldered, cataloged under National Stock Number 3040-01-355-6342, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-355-6342 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hole Diameter | 0.2500 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 0.3750 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Material Document and Classification | AISI 1045 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL COMP 1045 |
| 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 |
|---|---|
| 2-27979 | 3/9 Design control — primary reference Calgon Carbon Uv Technologies Llc Dba Hyde Marine |
| 27859 | D/9 Drawing number reference only Calgon Carbon Uv Technologies Llc Dba Hyde Marine |
NSN 3040-01-355-6342 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): 3040-01-355-9162, 3040-01-355-9163, 3040-01-355-9164. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-355-6342: Second End Hole Diameter: 0.2500 INCHES NOMINAL IN; Step Quantity: 4; First End Diameter: 0.3750 INCHES NOMINAL IN; First End Style: EXTERNAL THREADED. 8 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.