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 6105-00-416-6922
NSN 4140-01-123-3863
NSN 5998-01-308-4782
NSN 5990-01-229-8567
NSN 5999-01-609-6909
NSN 6130-01-165-7341
NSN 5975-00-111-1226
NSN 5895-01-551-1550
NSN 6135-01-265-1384
NSN 5960-00-387-6377
NSN 6645-00-495-4491
NSN 5895-01-192-7492