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 6220-00-724-0400
NSN 6320-01-434-3049
NSN 5950-01-232-7831
NSN 5895-01-234-1296
NSN 5975-00-518-1733
NSN 6620-01-035-7803
NSN 6220-01-108-5105
NSN 5915-00-107-0253
NSN 6320-01-583-6809
NSN 5910-01-458-5603
NSN 6110-00-004-1455
NSN 5915-00-159-1403