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 4140-00-952-4047
NSN 5855-00-586-6255
NSN 5996-01-326-2491
NSN 5990-00-311-1031
NSN 6645-01-633-1852
NSN 6620-01-035-7803
NSN 5975-01-481-5805
NSN 4140-00-927-7992
NSN 6240-01-604-9172
NSN 5990-01-241-9472
NSN 6620-00-466-2314
NSN 6610-01-305-0954