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 6610-00-602-3620
NSN 5996-00-231-9322
NSN 6610-00-764-4015
NSN 5905-01-367-1693
NSN 5960-01-580-6360
NSN 5915-00-679-9390
NSN 6320-01-345-5817
NSN 5945-01-328-5888
NSN 6150-00-632-7577
NSN 5905-01-129-5090
NSN 6620-01-081-1042
NSN 6240-01-424-9467