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 6145-01-434-9123
NSN 6220-01-037-8793
NSN 5950-01-618-6183
NSN 5996-01-589-4840
NSN 6645-00-051-8888
NSN 6685-01-232-1979
NSN 6320-01-006-6138
NSN 5855-00-494-9581
NSN 6110-01-620-5069
NSN 6145-00-196-4886
NSN 5935-01-384-6985
NSN 6620-01-569-3313