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 5910-00-518-1009
NSN 6645-01-350-3138
NSN 6320-01-631-7828
NSN 5895-00-960-7403
NSN 5999-00-059-4883
NSN 5855-00-610-4052
NSN 6320-00-456-0836
NSN 5915-00-594-7786
NSN 5835-00-275-0584
NSN 5999-01-461-2956
NSN 4140-00-782-7279
NSN 5945-01-246-9700