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 6240-01-023-2013
NSN 6685-01-410-7583
NSN 6320-01-134-7267
NSN 5996-00-536-4671
NSN 5999-01-515-5118
NSN 5996-01-643-9616
NSN 5935-01-409-2947
NSN 5950-00-712-6122
NSN 5925-00-937-0552
NSN 6620-00-104-6937
NSN 5990-00-181-2220
NSN 6150-01-350-3713