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 4140-00-740-2153
NSN 5999-01-063-0026
NSN 6105-00-159-0366
NSN 6220-00-712-1779
NSN 6620-01-106-3553
NSN 5935-00-260-6051
NSN 5990-01-408-6554
NSN 6135-01-603-8367
NSN 6685-01-254-3014
NSN 5895-01-468-5582
NSN 5920-01-023-6818
NSN 6620-01-449-8743