Straight keyway in middle of shaft
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 5855-01-579-7065
NSN 5950-01-648-6289
NSN 5996-01-239-4120
NSN 5905-01-346-8985
NSN 5975-01-081-6836
NSN 6620-00-391-7858
NSN 6650-01-373-8067
NSN 5999-01-274-9473
NSN 5999-01-090-0215
NSN 5999-01-119-0197
NSN 5999-01-395-9918
NSN 5935-01-152-1241