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 6135-01-329-6022
NSN 5895-01-403-2793
NSN 4140-01-110-5712
NSN 5985-00-279-8507
NSN 6650-01-074-2620
NSN 5855-01-247-9666
NSN 5999-01-061-2062
NSN 6135-00-935-8769
NSN 6220-01-146-7138
NSN 4140-00-504-1829
NSN 6240-01-435-1387
NSN 6650-01-444-2152