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 6220-01-655-5802
NSN 5965-00-689-1545
NSN 5999-00-812-9253
NSN 5895-01-386-6484
NSN 5990-00-622-1010
NSN 6685-00-801-0036
NSN 7035-01-421-7159
NSN 5990-01-072-6074
NSN 6135-01-629-6940
NSN 7035-01-347-6110
NSN 6620-00-073-9859
NSN 6220-01-178-4652