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 6130-00-725-8454
NSN 5998-01-406-0100
NSN 7035-01-056-1302
NSN 6220-01-502-6436
NSN 5925-01-301-1986
NSN 5999-01-056-5281
NSN 5945-01-364-1178
NSN 5855-01-338-1718
NSN 5985-00-786-3185
NSN 5925-01-340-9880
NSN 5925-00-140-6367
NSN 6645-01-353-6863