Special Features:

Largest step has through hole, 0.540 in. Long, parallel to longest axis and centered on same axis as cross-drilled hole located on second end; hole on largest step begins 0.235 in. From first end; hole width, 0.188 in. Min., 0.250 in. Max. And radius, 0.06 in. Min., 0.07 in. Max.

Properties:

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.