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 6620-01-255-6374
NSN 6320-00-521-9350
NSN 5960-01-157-7009
NSN 6105-01-338-6249
NSN 6685-01-285-7266
NSN 5855-01-435-5548
NSN 5950-01-062-0643
NSN 6145-00-690-9320
NSN 6620-00-399-0087
NSN 6145-00-071-1154
NSN 5998-01-519-9273
NSN 7035-01-178-9354