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 6610-00-139-1105
NSN 5950-01-281-1475
NSN 6320-01-147-9177
NSN 5915-01-303-4227
NSN 5960-01-127-9061
NSN 6685-01-132-4637
NSN 6110-01-141-7745
NSN 2925-01-364-7926
NSN 5998-01-519-9273
NSN 6150-01-097-9007
NSN 5855-01-308-0955
NSN 6610-01-313-1473