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 5920-00-113-6041
NSN 6220-01-569-1977
NSN 5999-01-374-3008
NSN 4140-01-510-9844
NSN 5910-01-543-1648
NSN 5895-01-284-4056
NSN 6320-01-140-7025
NSN 6320-01-250-0290
NSN 7035-00-703-3535
NSN 6645-01-455-1293
NSN 6320-01-364-1840
NSN 6620-01-629-4045