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 5935-00-975-1701
NSN 6620-01-031-3989
NSN 2925-01-560-4123
NSN 5990-01-489-0366
NSN 2925-00-536-4574
NSN 6645-00-269-2764
NSN 5855-01-147-4785
NSN 6135-01-286-9563
NSN 6220-00-263-4893
NSN 5910-01-631-9077
NSN 6610-01-067-6591
NSN 6130-01-607-0052