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 6220-01-443-1899
NSN 6685-00-134-6305
NSN 5835-00-973-6828
NSN 5855-01-120-2912
NSN 5975-00-107-8198
NSN 5835-00-005-2311
NSN 6135-01-449-2144
NSN 5985-01-315-2827
NSN 6150-01-652-7823
NSN 6240-00-382-5889
NSN 5915-00-528-9286
NSN 5945-01-500-8719