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 5996-01-617-4140
NSN 5985-00-881-9514
NSN 6220-00-121-7541
NSN 5990-01-110-1979
NSN 5975-00-451-5001
NSN 5996-00-925-1953
NSN 5910-01-538-2540
NSN 6650-00-313-4172
NSN 5930-01-167-1826
NSN 5855-01-461-8169
NSN 5999-01-422-2962
NSN 6110-01-603-6521