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 6610-00-586-6525
NSN 6650-00-784-9222
NSN 6220-01-431-4355
NSN 5855-01-145-8973
NSN 6320-00-476-6898
NSN 5985-01-376-7051
NSN 5935-01-175-5071
NSN 5945-01-133-5550
NSN 6685-01-529-0535
NSN 6650-01-041-0296
NSN 2925-01-341-7423
NSN 6220-01-616-2452