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 6240-01-628-9240
NSN 6320-01-033-6624
NSN 6150-00-900-4423
NSN 5905-01-128-1409
NSN 5999-01-049-3562
NSN 6685-01-296-0870
NSN 5915-01-369-6305
NSN 5925-01-029-3483
NSN 6150-01-431-9727
NSN 6105-01-322-0303
NSN 6145-00-104-7789
NSN 6110-00-957-3939