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 6645-01-125-6811
NSN 6650-01-536-0737
NSN 5905-01-107-3165
NSN 5985-01-605-0230
NSN 6145-01-494-3798
NSN 4140-00-279-3148
NSN 5999-01-231-3206
NSN 5920-00-156-9230
NSN 6620-01-474-4951
NSN 6110-00-325-4519
NSN 5835-00-034-4976
NSN 5915-01-534-3397