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 6320-01-116-3980
NSN 6645-01-180-6219
NSN 6150-01-284-1922
NSN 5915-00-831-7761
NSN 6240-01-577-0267
NSN 5920-01-290-3771
NSN 2925-01-317-6973
NSN 6110-01-050-7871
NSN 6650-01-269-3845
NSN 5950-00-113-8266
NSN 5960-01-493-3948
NSN 6150-00-921-4440