The Shaft,straight, cataloged under National Stock Number 3040-01-277-7579, 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13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-277-7579 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Second End Hole Diameter | 0.0955 INCHES NOMINAL IN |
| Second End External Thread Length | 0.500 INCHES NOMINAL IN |
| First End Diameter | 0.2470 INCHES NOMINAL IN |
| Second End Diameter | 0.2470 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Material Document and Classification | AMS5643 17-4PH ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.880 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.0955 INCHES NOMINAL IN |
| Second End Style | CROSS DRILLED AND EXTERNALLY THREADED |
| Material | STEEL CORROSION RESISTING |
| First End Distance From Hole Center to End | 0.200 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 |
|---|---|
| 3647803-1 | 3/2 Design control — primary reference U.S. Government activity |
| 3647803 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-277-7579 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-277-7579: Surface Finish: 125.0 MICROINCHES; Second End Hole Diameter: 0.0955 INCHES NOMINAL IN; Second End External Thread Length: 0.500 INCHES NOMINAL IN; First End Diameter: 0.2470 INCHES NOMINAL IN. 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.