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 5975-00-394-2545
NSN 5905-01-172-8500
NSN 5998-01-565-9275
NSN 6220-01-127-8761
NSN 6650-01-608-2240
NSN 6110-01-453-4636
NSN 6150-01-634-0575
NSN 5910-01-548-8875
NSN 6240-00-578-6763
NSN 5996-01-519-3843
NSN 4140-00-339-1514
NSN 2925-01-464-3093