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 6110-00-951-6839
NSN 6135-01-415-9741
NSN 6130-00-531-6564
NSN 4140-00-155-8012
NSN 5930-01-555-6278
NSN 5905-01-242-3575
NSN 6150-00-681-8426
NSN 5999-01-448-6890
NSN 6645-01-348-3359
NSN 6650-00-707-1417
NSN 5996-01-519-7548
NSN 5999-01-605-4053