Special Features:

51.125 in. Long 0.875 to 0.750 in. Wide tapered square 0.875 in. From 1st end; 5.125 in. Long 1.125 in. Wide hex cut 2.000 in. From 1st end; 1.500 in. Long 0.3125 in. Wide 0.1562 in. Deep keyway 6.4375 in. From 2nd end in line with 2nd end keyway

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.