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 5999-01-320-3001
NSN 5920-01-190-9032
NSN 5999-01-183-2184
NSN 6620-01-582-2046
NSN 5905-01-180-6395
NSN 6105-01-627-3874
NSN 5910-01-014-4268
NSN 5925-00-964-9654
NSN 6650-00-419-4863
NSN 6620-00-833-6786
NSN 5975-01-449-3083
NSN 2925-01-259-7092