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 6620-01-441-0240
NSN 5945-01-452-9775
NSN 4140-01-634-0330
NSN 5855-00-285-8172
NSN 6240-01-547-8803
NSN 6150-00-956-8679
NSN 5935-01-026-5220
NSN 6145-01-561-9059
NSN 5996-01-502-9414
NSN 5965-00-739-2063
NSN 5905-00-280-2747
NSN 5996-00-149-0708