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 6220-00-167-2154
NSN 6645-01-313-9634
NSN 7035-01-260-0804
NSN 5930-01-585-0669
NSN 5998-01-449-2263
NSN 6110-01-473-8976
NSN 6620-01-594-6311
NSN 5975-00-548-3932
NSN 5965-01-522-9247
NSN 6685-00-361-1798
NSN 4140-01-297-5148
NSN 6220-00-737-0869