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 5965-00-104-3121
NSN 5950-01-276-5625
NSN 6220-01-178-9041
NSN 5930-01-451-6541
NSN 6320-01-627-8295
NSN 4140-01-508-1518
NSN 5999-01-492-4813
NSN 5999-01-007-9543
NSN 5930-01-324-2263
NSN 5985-01-601-4104
NSN 5960-00-547-9180
NSN 6145-01-437-3900