Special Features:

Smaller end has a bore, 0.060 in. Through and 1.130 in. Deep, counterbored, 0.120 in. Dia. And 1.220 in. Deep, and tap drilled 0.250 in. With the following spec: 1/4-28 unf-2b, also, this end has a keyway, 0.125 to 0.135 in. Wide, centered 85.0 to 95.0 deg. To the cross drill at the opposite end. The larger end is slotted, 0.877 to 0.882 in. Wide and 0.205 to 0.235 in. Deep, centered 90.0 deg, to cross drill. Cross drill is partially threaded on one side, 0.171 to 0.201 in. Deep, 7/16-20 unjf-3b, larger end (shoulder) is bored, 1.055 to 1.065 in. Diameter and 3.340 to 3.460 in. Deep. Item is tapered 10.0 degrees between the shoulder and the third step first end.

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.