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 5990-01-576-4383
NSN 5895-01-440-9210
NSN 5905-00-947-9717
NSN 5996-01-600-4769
NSN 6145-01-579-3510
NSN 6105-00-966-8629
NSN 6220-01-595-0707
NSN 5950-01-020-7717
NSN 5999-00-374-1844
NSN 6650-00-012-2430
NSN 5990-01-446-5546
NSN 6685-00-551-6139