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 5935-01-215-1422
NSN 6620-01-453-3135
NSN 2925-01-442-0878
NSN 4140-01-009-5859
NSN 5905-00-080-7219
NSN 5935-00-524-1977
NSN 5915-01-167-1612
NSN 6110-01-287-7256
NSN 6240-00-421-0176
NSN 6110-00-525-3418
NSN 5960-01-207-9544
NSN 5905-01-575-9084