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 6320-01-659-2819
NSN 5835-00-494-8419
NSN 2925-01-384-4139
NSN 5996-01-533-7803
NSN 6145-00-075-4620
NSN 6145-00-181-9634
NSN 6685-01-431-7927
NSN 5990-00-943-1790
NSN 4140-01-624-1218
NSN 5920-01-553-2398
NSN 5985-01-578-9899
NSN 5990-00-446-0518