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 6320-00-284-1524
NSN 5990-01-147-5225
NSN 5965-01-562-0811
NSN 5999-00-758-5245
NSN 5996-00-905-6610
NSN 6645-00-478-6509
NSN 2925-01-288-0971
NSN 5950-01-381-2994
NSN 5895-00-653-4227
NSN 5920-00-339-0338
NSN 4140-01-197-7658
NSN 5930-01-212-0778