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 6150-00-051-0404
NSN 5999-01-499-9329
NSN 6620-01-097-7078
NSN 6240-00-578-6763
NSN 5935-01-200-7851
NSN 7035-01-085-5955
NSN 5855-01-634-0259
NSN 5835-01-373-9506
NSN 5965-00-281-0319
NSN 5905-01-610-2018
NSN 5965-01-308-9338
NSN 6685-01-054-3166