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 5999-01-585-0704
NSN 5975-00-279-8693
NSN 6150-00-832-6016
NSN 5990-01-242-9653
NSN 6320-00-313-9114
NSN 6320-01-448-1189
NSN 6650-01-588-4687
NSN 2925-01-144-7106
NSN 6130-01-186-7279
NSN 5905-01-654-3446
NSN 5895-01-306-8515
NSN 5855-01-562-7562