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 4140-00-569-4096
NSN 5935-00-339-2189
NSN 6320-00-082-5868
NSN 6145-01-613-7549
NSN 6650-01-618-5774
NSN 5975-01-342-5979
NSN 6145-01-215-0178
NSN 6130-01-437-1574
NSN 5930-01-170-6714
NSN 6650-00-023-5054
NSN 6620-01-520-3640
NSN 6620-01-231-4208