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 5925-00-931-7935
NSN 5960-01-495-0859
NSN 5990-00-359-9839
NSN 6145-01-434-4155
NSN 5920-01-619-1987
NSN 5975-01-377-2511
NSN 6650-01-358-7055
NSN 6610-01-472-2757
NSN 5925-01-394-4953
NSN 5960-01-253-2333
NSN 5930-01-472-2947
NSN 5910-00-239-0498