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 6620-01-506-5418
NSN 5990-00-501-4994
NSN 5935-01-519-9349
NSN 6220-01-157-7173
NSN 5910-01-551-8337
NSN 6145-01-100-7104
NSN 5975-01-524-2922
NSN 5950-01-117-4826
NSN 5930-01-141-7018
NSN 5996-01-029-4196
NSN 5915-01-100-8523
NSN 5996-01-420-6449