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 6110-01-281-7274
NSN 5998-01-419-1804
NSN 6105-00-700-9703
NSN 5996-00-826-8837
NSN 5910-01-410-8658
NSN 6130-00-909-2101
NSN 5975-01-367-5988
NSN 6645-00-117-9839
NSN 6135-01-218-3660
NSN 5925-00-606-6529
NSN 5915-01-411-5355
NSN 6645-01-196-8616