The Shaft,shouldered, cataloged under National Stock Number 3040-00-496-9528, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-496-9528 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Flat Length | 2.125 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 0.7480 INCHES MINIMUM AND 0.7494 INCHES MAXIMUM IN |
| Second End Diameter | 0.4985 INCHES MINIMUM AND 0.4994 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.7480 INCHES MINIMUM AND 0.7494 INCHES MAXIMUM IN |
| First End Style | FLAT KEYWAY |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.106 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLATTED |
| Material | STEEL COMP 1113 |
| External Keyway Length | 2.000 INCHES NOMINAL FIRST END IN |
| Second End Flat Depth | 0.2847 INCHES NOMINAL IN |
| First End Keyway Width | 0.1880 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM 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 |
|---|---|
| A760-1230 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-496-9528 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-496-9528: Second End Flat Length: 2.125 INCHES NOMINAL IN; Step Quantity: 2; First End Diameter: 0.7480 INCHES MINIMUM AND 0.7494 INCHES MAXIMUM IN; Second End Diameter: 0.4985 INCHES MINIMUM AND 0.4994 INCHES MAXIMUM IN. 14 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.