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 5855-00-944-0949
NSN 5996-00-186-8709
NSN 6135-00-100-8890
NSN 6150-00-636-8938
NSN 5920-01-644-5445
NSN 5910-00-221-9105
NSN 5905-01-357-0062
NSN 6620-01-401-5356
NSN 5935-01-022-7888
NSN 6135-00-990-1822
NSN 5996-00-103-9673
NSN 6610-01-598-6052