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 4140-01-056-4453
NSN 6110-01-445-5933
NSN 6150-01-258-4036
NSN 5905-01-293-0969
NSN 6650-00-320-0803
NSN 6220-00-061-8076
NSN 6610-01-583-9635
NSN 5855-01-507-7394
NSN 5999-00-619-8124
NSN 5945-01-649-2633
NSN 5855-00-304-7163
NSN 5905-01-547-9131