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 5945-01-512-6633
NSN 5910-00-887-9995
NSN 4140-01-502-8993
NSN 6110-00-296-0500
NSN 6320-00-553-8427
NSN 6105-01-401-5361
NSN 7035-01-216-4806
NSN 5930-01-264-0989
NSN 5998-00-270-7094
NSN 5996-01-449-0666
NSN 6645-01-496-9868
NSN 6620-01-165-1033