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 5915-01-456-2818
NSN 6240-00-275-1950
NSN 5945-01-341-1939
NSN 5935-01-234-0351
NSN 5920-01-526-5030
NSN 4140-00-279-3148
NSN 6110-01-122-2411
NSN 6105-01-457-1363
NSN 5996-00-213-7121
NSN 6320-01-170-0708
NSN 5999-01-441-2320
NSN 6220-00-814-8548