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 6320-01-411-7469
NSN 6685-01-603-8282
NSN 6150-00-900-2371
NSN 6130-00-264-4165
NSN 2925-01-448-2880
NSN 5998-01-634-0604
NSN 5975-01-568-0688
NSN 4140-01-106-4604
NSN 5930-00-665-4181
NSN 6240-01-147-5424
NSN 5960-01-147-3764
NSN 5975-01-023-1777