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 4140-01-619-2295
NSN 2925-01-254-3068
NSN 6110-01-446-6804
NSN 7035-01-594-0182
NSN 4140-00-720-4993
NSN 6130-01-481-3888
NSN 5965-01-408-1303
NSN 6320-01-220-2264
NSN 6240-01-271-6230
NSN 6220-00-340-1313
NSN 6240-00-248-4281
NSN 5905-00-241-0636