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 6240-00-623-4784
NSN 5920-01-382-5323
NSN 5960-01-027-8833
NSN 6130-00-186-8460
NSN 5985-01-102-0401
NSN 5945-00-870-2502
NSN 5915-00-646-7871
NSN 6650-00-784-9222
NSN 5915-01-379-7536
NSN 6620-00-602-5832
NSN 5996-00-765-1401
NSN 6645-01-383-8139