Special Features:

Both ends have 6 equally spaced axial 0.500-13unc-2b x 1.120 deep minimium full threaded holes on 3.000 inch pitch circle diameter and each hole has 0.550 diameter x 90 degree starting chamfer. Both ends have modified 10 spline with one valley not machined making only 8 full splines

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.