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 6240-01-629-9175
NSN 6130-00-121-3696
NSN 6150-00-612-3842
NSN 7035-01-106-3476
NSN 5990-01-089-9694
NSN 5999-01-225-5250
NSN 6220-01-542-8738
NSN 4140-01-502-8993
NSN 5925-00-222-3843
NSN 5835-00-350-3703
NSN 6135-01-514-9327
NSN 6610-00-305-5447