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 4140-01-473-6412
NSN 6320-00-456-2092
NSN 5930-00-276-4023
NSN 5996-00-131-6840
NSN 5935-01-514-0572
NSN 6150-01-188-7859
NSN 5895-01-215-2079
NSN 5945-01-445-6081
NSN 5935-01-297-3603
NSN 6610-01-475-1921
NSN 5920-01-595-6243
NSN 5996-00-518-3675