The Shaft,straight, cataloged under National Stock Number 3040-01-254-9892, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-254-9892 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| First End Diameter | 0.7490 INCHES NOMINAL IN |
| Second End Distance From End to Flat | 0.500 INCHES NOMINAL IN |
| Second End Diameter | 0.7490 INCHES NOMINAL IN |
| Second End Distance Between Second and Third Groove Centers | 4.000 INCHES NOMINAL IN |
| First End Style | CROSS DRILLED AND CIRCULAR GROOVED |
| Material Document and Classification | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 2.281 INCHES NOMINAL IN |
| First End Hole Diameter | 0.3750 INCHES NOMINAL IN |
| Second End Grooved Flat Depth | 0.134 INCHES NOMINAL IN |
| First End Groove Diameter | 0.6400 INCHES NOMINAL IN |
| Second End Style | THREE FLAT GROOVES |
| Material | STEEL COMP 303 |
| First End Groove Width | 0.0990 INCHES NOMINAL IN |
| First End Distance From Hole Center to End | 0.380 INCHES NOMINAL IN |
| Second End Distance Between First and Second Groove Centers | 4.000 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 |
|---|---|
| 564653 | D/9 Drawing number reference only U.S. Government activity |
| 564653-001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-254-9892 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-254-9892: Surface Finish: 63.0 MICROINCHES; First End Diameter: 0.7490 INCHES NOMINAL IN; Second End Distance From End to Flat: 0.500 INCHES NOMINAL IN; Second End Diameter: 0.7490 INCHES NOMINAL IN. 17 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.