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 6220-01-361-8814
NSN 2925-00-183-4390
NSN 6645-01-055-3384
NSN 5945-01-315-7126
NSN 5985-01-444-1323
NSN 2925-01-380-0869
NSN 5990-00-054-4785
NSN 5999-01-018-0626
NSN 5920-01-340-9986
NSN 5990-00-170-4239
NSN 6320-01-125-3361
NSN 4140-01-324-7768