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 5910-01-570-6017
NSN 6135-01-297-2308
NSN 7035-01-119-2234
NSN 5945-01-102-7707
NSN 5855-01-546-6954
NSN 6610-01-232-4802
NSN 6130-00-614-9961
NSN 6685-01-382-4799
NSN 5950-01-039-0806
NSN 6320-01-425-1417
NSN 6150-01-303-5852
NSN 6620-01-494-9858