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 6150-00-753-3950
NSN 5998-00-360-1738
NSN 5915-01-630-7232
NSN 6685-00-836-4056
NSN 5985-01-278-8819
NSN 5855-01-607-4253
NSN 6650-00-977-7533
NSN 6620-00-724-3137
NSN 6145-00-683-5353
NSN 4140-01-147-7850
NSN 5998-01-128-9313
NSN 5935-01-581-7547