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 6620-00-778-2324
NSN 6130-01-557-4934
NSN 5930-01-629-9406
NSN 5910-01-190-7568
NSN 5960-01-174-6975
NSN 5998-01-068-4581
NSN 5895-01-200-1688
NSN 6145-01-489-1003
NSN 5915-01-181-5603
NSN 5960-01-152-6097
NSN 5935-01-140-1220
NSN 5910-01-461-3108