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 6620-01-473-5163
NSN 4140-01-224-7662
NSN 5999-01-617-7515
NSN 6645-00-806-6961
NSN 5996-01-247-7671
NSN 7035-01-491-0266
NSN 6240-01-632-6885
NSN 6610-01-415-8008
NSN 6650-00-914-6897
NSN 5990-01-361-6424
NSN 6240-00-027-9931
NSN 5975-01-038-8707