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 6240-01-211-4507
NSN 4140-01-656-4546
NSN 7035-01-096-8912
NSN 6320-00-036-3688
NSN 6620-00-067-4946
NSN 6685-01-587-5948
NSN 5920-00-952-4080
NSN 5925-00-402-4018
NSN 6620-00-153-0982
NSN 6620-01-415-5803
NSN 6320-00-216-8779
NSN 5905-01-388-1451