The Shaft,shouldered, cataloged under National Stock Number 3040-01-423-7824, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-423-7824 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN |
| Second End Distance From Keyway Center to End | 0.500 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| Second End Keyway Width | 0.8120 INCHES NOMINAL IN |
| First End Keyway Depth | 0.0180 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | WOODRUFF KEYWAY |
| External Keyway Length | 0.740 INCHES NOMINAL SECOND END IN |
| External Keyway Length | 2.7500 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.3125 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 |
|---|---|
| DA11-4843 | D/9 Drawing number reference only U.S. Government activity |
| 64101-223CAD | 3/9 Design control — primary reference U.S. Government activity |
NSN 3040-01-423-7824 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-423-7824: Step Quantity: 5; First End Diameter: 1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN; Second End Distance From Keyway Center to End: 0.500 INCHES NOMINAL IN; First End Style: FLAT KEYWAY. 11 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.