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 6620-01-365-1499
NSN 5930-01-580-0888
NSN 5935-01-508-4227
NSN 6320-01-326-1316
NSN 5835-00-413-4701
NSN 5915-00-226-6863
NSN 5975-00-518-0780
NSN 6685-01-415-5809
NSN 5960-00-455-5256
NSN 6620-01-633-8443
NSN 5925-00-646-3111
NSN 6220-00-781-0451