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 5920-01-183-7938
NSN 6130-00-001-3678
NSN 5920-00-416-5999
NSN 5915-01-534-8819
NSN 5855-00-361-0167
NSN 5975-01-277-1617
NSN 5985-00-433-8029
NSN 5935-00-693-4426
NSN 6620-01-464-3087
NSN 2925-01-418-8106
NSN 5999-00-334-3972
NSN 5975-01-568-2158