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 6620-00-400-1099
NSN 5915-00-678-5300
NSN 6240-01-480-0892
NSN 6610-01-513-8209
NSN 6610-01-225-2285
NSN 5975-00-823-0979
NSN 6320-01-521-1764
NSN 5920-01-342-9466
NSN 6685-00-575-4647
NSN 5960-00-931-4215
NSN 6320-01-607-1491
NSN 6620-01-257-6483