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 5905-00-811-6335
NSN 5985-01-164-7405
NSN 5975-01-077-8675
NSN 6110-01-315-6970
NSN 5920-01-389-6013
NSN 5990-01-079-3271
NSN 6685-00-084-1353
NSN 5998-00-141-2489
NSN 6220-00-449-2107
NSN 6320-01-426-8947
NSN 5996-01-471-0761
NSN 5999-01-178-9226