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 5975-01-515-6915
NSN 5985-00-227-4232
NSN 5996-00-999-3891
NSN 6620-01-012-2852
NSN 6320-01-461-5866
NSN 6240-01-008-4943
NSN 5855-01-415-3987
NSN 6110-00-352-0605
NSN 6645-01-618-1983
NSN 5998-01-264-1367
NSN 6150-00-480-1253
NSN 7035-01-026-1171