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 4140-01-251-6797
NSN 7035-01-422-6850
NSN 5996-01-444-1488
NSN 4140-01-035-5530
NSN 6135-01-574-6577
NSN 6650-01-544-0366
NSN 6150-01-086-0537
NSN 7035-01-482-1356
NSN 6320-00-823-2015
NSN 6220-00-837-2649
NSN 6620-01-306-1347
NSN 5960-01-567-1096