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 5999-00-249-6824
NSN 5855-01-552-4759
NSN 5905-01-078-6186
NSN 6130-01-428-1409
NSN 6105-00-130-1473
NSN 6110-01-039-5444
NSN 5915-01-329-3669
NSN 6320-01-547-9877
NSN 6620-01-312-5793
NSN 6620-01-542-9999
NSN 6135-01-467-5100
NSN 4140-00-400-4872