The Shaft,straight, cataloged under National Stock Number 3040-01-413-2628, 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13 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-413-2628 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Diameter | 4.4970 INCHES NOMINAL IN |
| Second End Diameter | 6.0029 INCHES NOMINAL IN |
| Second End Angle Between Keyways | 180.0 DEGREES NOMINAL |
| First End Style | UNTHREADED CROSS DRILLED |
| Second End Keyway Width | 1.0000 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-890 ALLOY,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Keyway Depth | 0.500 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 1.0000 INCHES NOMINAL IN |
| Second End Style | TWO FLAT KEYWAYS |
| Material | STEEL COMP 4140 |
| First End Distance From Hole Center to End | 1.500 INCHES NOMINAL IN |
| External Keyway Length | 6.1250 INCHES NOMINAL SECOND END 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 |
|---|---|
| F204814C001 ITEM #6 | 5/2 Secondary reference U.S. Government activity |
| F204814C001 | D/9 Drawing number reference only U.S. Government activity |
| F204813C001 ITEM #6 | 5/2 Secondary reference U.S. Government activity |
| F204813C001 | D/9 Drawing number reference only U.S. Government activity |
| C200663C007 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-413-2628 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-413-2628: First End Diameter: 4.4970 INCHES NOMINAL IN; Second End Diameter: 6.0029 INCHES NOMINAL IN; Second End Angle Between Keyways: 180.0 DEGREES NOMINAL; First End Style: UNTHREADED CROSS DRILLED. 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.