The Shaft,shouldered, cataloged under National Stock Number 3040-01-419-7109, 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17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-419-7109 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Second End External Thread Length | 0.7500 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 0.3750 INCHES NOMINAL IN |
| Second End Diameter | 0.5000 INCHES NOMINAL IN |
| Largest Step Diameter | 0.625 INCHES NOMINAL IN |
| First End External Thread Length | 0.750 INCHES NOMINAL IN |
| First End Style | EXTERNALLY THREADED AND FLAT KEYWAY |
| Second End Keyway Width | 0.1260 INCHES NOMINAL IN |
| First End Keyway Depth | 0.0855 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.0525 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNALLY THREADED AND FLAT KEYWAY |
| Material | COPPER ALLOY |
| External Keyway Length | 0.7500 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 5.7500 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.1260 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3497-014-000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-419-7109 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-419-7109: Surface Finish: 63.0 MICROINCHES; Second End External Thread Length: 0.7500 INCHES NOMINAL IN; Step Quantity: 4; First End Diameter: 0.3750 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.
NSN 3040-01-419-7109 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.