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 4140-01-310-3330
NSN 5945-00-952-6072
NSN 5996-01-350-3345
NSN 5855-01-374-4916
NSN 5855-00-688-9954
NSN 6645-01-096-9719
NSN 5895-00-585-2038
NSN 4140-01-458-2180
NSN 5975-01-497-4531
NSN 6320-01-415-0953
NSN 6135-00-575-8942
NSN 6130-01-156-9753