The Shaft,straight, cataloged under National Stock Number 3040-01-240-2625, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-240-2625 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 12.0 MICROINCHES |
| First End Diameter | 0.2754 INCHES NOMINAL IN |
| Second End Diameter | 0.2745 INCHES NOMINAL IN |
| Second End Step Length | 0.219 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Second End Tongue Width | 0.267 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Tongue Thickness | 0.187 INCHES NOMINAL IN |
| First End Hole Diameter | 0.0820 INCHES NOMINAL IN |
| Second End Style | TONGUE ROUNDED ENDS |
| First End Distance From Hole Center to End | 0.640 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 |
|---|---|
| 53611-1 | 3/9 Design control — primary reference Kalart Victor Corp |
NSN 3040-01-240-2625 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1660-01-596-6397. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-240-2625: Surface Finish: 12.0 MICROINCHES; First End Diameter: 0.2754 INCHES NOMINAL IN; Second End Diameter: 0.2745 INCHES NOMINAL IN; Second End Step Length: 0.219 INCHES NOMINAL IN. 11 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.