The Shaft,shouldered, cataloged under National Stock Number 3040-01-500-0583, 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17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-500-0583 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 9 |
| First End Diameter | 2.5000 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 1.530 INCHES NOMINAL IN |
| Second End Diameter | 2.6240 INCHES NOMINAL IN |
| Largest Step Diameter | 3.997 INCHES NOMINAL IN |
| Second End Angle Between Keyways | 90.0 DEGREES NOMINAL |
| First End Style | WOODRUFF KEYWAY |
| Second End Keyway Width | 0.5000 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-286, FORM 2, ANNEALED, HOT FINISHED, AGE HARDENED FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Keyway Depth | 0.282 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO FLAT KEYWAYS |
| Material | NICKEL ALLOY |
| External Keyway Length | 1.441 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 2.760 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.5000 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 |
|---|---|
| 04-12-200 | 3/9 Design control — primary reference Systems Engineering and Analytics, Inc. |
| PL-04-12-000 ITEM 1 | 5/9 Secondary reference Systems Engineering and Analytics, Inc. |
NSN 3040-01-500-0583 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-500-0583: Surface Finish: 32.0 MICROINCHES; Step Quantity: 9; First End Diameter: 2.5000 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 1.530 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.