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 6610-01-625-6855
NSN 5950-01-435-4405
NSN 5996-01-593-5926
NSN 6105-00-186-0161
NSN 5950-00-166-6508
NSN 5895-00-256-9166
NSN 5835-00-926-0195
NSN 5999-00-472-2535
NSN 6240-01-644-4767
NSN 5996-00-686-8818
NSN 4140-00-882-2233
NSN 5999-01-523-6249