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 5835-01-564-5575
NSN 6320-01-631-7828
NSN 6110-01-234-2137
NSN 4140-01-350-7166
NSN 6150-01-119-6501
NSN 6650-00-832-4679
NSN 6620-00-317-7820
NSN 6650-01-052-7121
NSN 5915-01-482-5502
NSN 5930-01-647-7652
NSN 5920-01-522-6363
NSN 5960-01-495-0859