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 6620-01-174-0308
NSN 5855-01-448-6658
NSN 6150-01-440-0963
NSN 4140-01-012-2460
NSN 5910-00-598-3674
NSN 6650-01-306-5097
NSN 5950-00-138-5227
NSN 5985-01-446-9355
NSN 6650-00-193-7358
NSN 5965-01-162-4118
NSN 6650-01-323-6252
NSN 6620-00-658-6588