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 6220-01-326-0384
NSN 5996-00-230-5550
NSN 5895-01-023-7893
NSN 6320-01-462-3555
NSN 5915-01-643-4805
NSN 5930-01-553-5537
NSN 6320-01-176-8367
NSN 5985-01-362-0018
NSN 5990-00-110-1153
NSN 5895-01-249-4030
NSN 6240-01-019-1997
NSN 5990-00-446-0518