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 5996-00-256-1718
NSN 6150-01-322-0556
NSN 2925-01-164-4197
NSN 5960-01-254-3541
NSN 6610-00-540-8911
NSN 6110-01-186-5061
NSN 5960-01-453-6170
NSN 5965-01-625-9234
NSN 5996-01-484-6719
NSN 6135-01-383-1910
NSN 6645-01-633-1852
NSN 6645-01-076-4655