Shaft has a 0.140 in. Diameter hole drilled the entire length of shaft; qwench and temper rockwell hardness c37/c42
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.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 5950-01-175-7073
NSN 5925-01-431-7057
NSN 6145-00-738-5601
NSN 6610-01-191-6500
NSN 6150-01-293-7251
NSN 6145-00-859-2522
NSN 5965-01-612-1537
NSN 5925-00-146-5683
NSN 2925-01-642-8954
NSN 6620-01-330-8802
NSN 6135-01-525-6979
NSN 5930-01-634-0659