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 5910-00-255-6228
NSN 6685-01-446-4796
NSN 5985-01-629-2999
NSN 5930-01-529-5273
NSN 6105-01-596-0865
NSN 5920-01-479-8084
NSN 5935-00-187-0726
NSN 5945-01-023-6979
NSN 4140-01-165-6409
NSN 6320-00-405-2348
NSN 5855-01-180-5369
NSN 5935-01-596-4049