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 6220-01-306-2428
NSN 4140-00-274-5735
NSN 6110-01-449-0150
NSN 5930-00-787-9250
NSN 5985-01-258-4769
NSN 5999-01-558-7248
NSN 5915-00-519-5961
NSN 5945-01-503-4128
NSN 6645-01-437-7770
NSN 5950-01-227-7095
NSN 7035-01-432-4605
NSN 6105-01-563-1961