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 5990-00-181-2220
NSN 4140-01-390-3333
NSN 5835-01-100-3265
NSN 6240-00-274-4028
NSN 5895-00-484-4747
NSN 5990-01-305-8121
NSN 5895-00-421-1951
NSN 5855-00-401-3442
NSN 6320-00-823-2015
NSN 6240-01-534-2987
NSN 6135-01-329-7994
NSN 6650-00-432-2358