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 4140-01-152-1214
NSN 5945-00-282-3181
NSN 5990-00-242-3754
NSN 5915-00-376-9388
NSN 5915-01-118-1414
NSN 6320-01-332-1977
NSN 6130-01-367-2869
NSN 6610-00-760-4476
NSN 6150-01-199-4834
NSN 6240-01-317-1382
NSN 7035-01-040-6373
NSN 6145-00-186-6291