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 6620-00-269-8950
NSN 6610-00-211-9095
NSN 5855-01-658-6119
NSN 5999-01-610-1285
NSN 6220-01-381-1793
NSN 5985-01-444-1904
NSN 5950-00-021-7528
NSN 5920-01-017-0687
NSN 5950-01-366-7431
NSN 2925-01-543-0073
NSN 5920-01-468-6227
NSN 5925-01-306-0120