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 4140-01-399-0330
NSN 5945-01-195-1975
NSN 5996-01-510-1164
NSN 6240-00-361-1421
NSN 5855-01-334-6594
NSN 5935-01-097-5977
NSN 5920-00-681-1172
NSN 6135-00-932-3136
NSN 6135-00-461-3590
NSN 5910-01-451-3794
NSN 6645-00-181-1877
NSN 6620-01-389-3324