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 6650-01-165-2175
NSN 6110-00-676-7613
NSN 5975-01-159-9315
NSN 5930-01-130-8055
NSN 5990-01-345-1468
NSN 6130-01-400-6123
NSN 5998-01-047-0245
NSN 5999-01-153-7416
NSN 5935-01-156-5794
NSN 5998-01-159-8102
NSN 6610-01-387-5630
NSN 6130-00-959-5800