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 4140-01-534-6960
NSN 5835-01-034-5206
NSN 6135-01-299-7252
NSN 6610-01-423-7481
NSN 6110-01-315-1853
NSN 5905-01-170-2660
NSN 5999-01-192-2068
NSN 2925-01-519-1707
NSN 5975-01-399-3079
NSN 5925-01-454-8693
NSN 7035-01-180-6852
NSN 2925-00-724-9252