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 5910-00-875-7921
NSN 5990-00-495-2859
NSN 4140-00-108-5688
NSN 6685-01-476-2045
NSN 6685-00-703-6811
NSN 7035-00-312-3055
NSN 6620-01-430-2212
NSN 5985-00-531-5163
NSN 5835-00-540-9669
NSN 5975-01-097-4705
NSN 6110-01-016-7704
NSN 5975-01-240-9197