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 5998-01-142-5107
NSN 6110-01-374-9933
NSN 6220-01-512-3937
NSN 5905-01-546-0632
NSN 6620-01-297-5576
NSN 5950-01-196-3343
NSN 6685-01-476-6126
NSN 6620-01-117-5545
NSN 5945-01-648-4778
NSN 5920-01-589-0876
NSN 2925-01-633-4048
NSN 6220-01-146-8233