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 5920-01-113-8048
NSN 5999-01-146-3970
NSN 5905-01-119-1968
NSN 6105-01-539-0219
NSN 6610-01-144-4228
NSN 6105-01-281-7583
NSN 6130-00-784-9251
NSN 5910-01-312-2551
NSN 6150-01-634-0575
NSN 5930-00-199-9608
NSN 5855-01-337-0245
NSN 6135-01-329-7994