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 5905-01-281-1801
NSN 5950-01-599-5109
NSN 6145-00-883-7420
NSN 6620-00-225-4870
NSN 5915-01-372-2369
NSN 6150-01-471-9710
NSN 5990-01-356-4259
NSN 5835-01-442-6482
NSN 5999-01-344-2341
NSN 5895-00-736-8814
NSN 6105-01-241-0535
NSN 6145-01-526-1651