Special Features:

2nd end countersunk 0.310 diameter x 0.090 deep w/medium diamond knurl on periphery; 3rd step 0.250-28unf-2a x 0.7994 lg; 8th step 0.250-28unf-2a x 0.250 lg w/locking element per mil-f-18240designation 40; 38 degrees taper 1st 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.