The Shaft,shouldered, cataloged under National Stock Number 3040-01-289-7445, 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13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-289-7445 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 7 |
| First End Diameter | 0.9990 INCHES NOMINAL IN |
| Second End Diameter | 0.9990 INCHES NOMINAL IN |
| Largest Step Diameter | 1.3750 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Keyway Width | 0.2500 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582 TYPE 303 COND A ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Keyway Depth | 0.1410 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAY |
| Material | STEEL CORROSION RESISTING |
| External Keyway Length | 1.1600 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 |
|---|---|
| 31036-42019 | 3/2 Design control — primary reference U.S. Government activity |
| 31036-42010 FIND 009 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-289-7445 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-289-7445: Surface Finish: 32.0 MICROINCHES; Step Quantity: 7; First End Diameter: 0.9990 INCHES NOMINAL IN; Second End Diameter: 0.9990 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.