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 6650-00-144-4555
NSN 6240-01-659-8546
NSN 5935-01-462-5540
NSN 6150-00-880-1115
NSN 6130-00-269-8273
NSN 5990-00-422-2093
NSN 6150-01-064-3823
NSN 5960-01-014-8073
NSN 5935-01-324-6197
NSN 6130-01-585-2998
NSN 4140-00-361-4691
NSN 5999-01-103-7593