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 5999-01-381-7751
NSN 5925-01-453-1819
NSN 6105-01-226-5253
NSN 6135-01-139-1700
NSN 6650-01-415-4484
NSN 5975-01-463-8264
NSN 2925-01-178-0063
NSN 6685-01-395-2057
NSN 6150-01-509-9934
NSN 5975-01-478-1262
NSN 5920-00-832-0320
NSN 6240-00-907-3371