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 6220-01-386-5150
NSN 5950-01-599-9878
NSN 5998-00-677-9106
NSN 6145-00-236-3226
NSN 5990-00-078-8529
NSN 5975-01-421-8784
NSN 6135-01-616-5983
NSN 5925-00-007-7177
NSN 5935-01-519-9189
NSN 6220-01-252-1147
NSN 5990-01-044-4767
NSN 6650-00-724-8258