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 5950-00-982-0183
NSN 6320-01-415-0953
NSN 4140-01-660-5693
NSN 6130-01-455-6247
NSN 2925-00-780-5502
NSN 6240-00-843-0610
NSN 6240-01-367-5756
NSN 5905-00-281-2303
NSN 6130-00-116-3416
NSN 5996-01-387-7281
NSN 5920-01-421-9154
NSN 5999-01-018-7402