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 6145-01-301-7905
NSN 6645-00-072-9243
NSN 6610-01-400-3880
NSN 5905-01-088-8221
NSN 6110-01-657-0014
NSN 5835-01-242-9806
NSN 6620-01-411-9006
NSN 5990-01-094-7740
NSN 5925-00-100-0102
NSN 5985-00-114-3915
NSN 5965-00-253-1302
NSN 5935-01-058-1484