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 6685-00-079-0057
NSN 6150-01-509-8317
NSN 4140-01-281-1615
NSN 5999-01-229-8531
NSN 5965-01-113-7400
NSN 6150-01-541-6806
NSN 6320-00-284-1524
NSN 6135-01-100-3593
NSN 6685-01-351-1143
NSN 5920-01-502-5093
NSN 6685-01-571-9450
NSN 6220-01-451-0946