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 6610-01-362-8686
NSN 6610-01-503-0153
NSN 6110-01-536-6149
NSN 6645-01-273-2462
NSN 5965-01-109-2917
NSN 6685-01-133-9921
NSN 5835-01-435-4139
NSN 5925-00-156-4044
NSN 5920-01-546-0492
NSN 5920-01-185-2222
NSN 5945-00-087-1970
NSN 5965-01-012-1065