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 4140-01-418-1894
NSN 5910-01-448-7612
NSN 6240-01-525-6585
NSN 6620-01-107-2965
NSN 7035-01-012-0286
NSN 5915-01-193-3213
NSN 5910-00-868-1754
NSN 5999-00-009-9986
NSN 5930-00-699-9439
NSN 5950-00-250-1750
NSN 5999-01-502-7101
NSN 2925-01-467-7672