The Shaft,shouldered, cataloged under National Stock Number 3040-00-757-2794, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-757-2794 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| Second End Hole Diameter | 0.0550 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 0.1875 INCHES NOMINAL IN |
| Second End Diameter | 0.2496 INCHES NOMINAL IN |
| Largest Step Diameter | 0.250 INCHES NOMINAL IN |
| First End Distance Between First and Second Groove Centers | 0.0720 INCHES NOMINAL IN |
| First End Style | TWO CIRCULAR GROOVES |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Slot Depth | 0.1875 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 0.0830 INCHES NOMINAL IN |
| Second End Hole Depth | 0.2200 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Slot Width | 0.01130 INCHES NOMINAL IN |
| First End Distance From End to Groove | 0.0200 INCHES NOMINAL IN |
| First End Groove Diameter | 0.1750 INCHES NOMINAL IN |
| Second End Style | CROSS DRILLED HOLE AND SLOTTED |
| Material | STEEL COMP 303 |
| First End Groove Width | 0.0300 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 |
|---|---|
| SM-D-504421 | 3/2 Design control — primary reference U.S. Government activity |
| 516-2694-001 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 516-2694-001 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-757-2794 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-757-2794: Surface Finish: 16.0 MICROINCHES; Second End Hole Diameter: 0.0550 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 0.1875 INCHES NOMINAL IN. 19 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.