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 6610-00-341-1871
NSN 5990-00-932-3070
NSN 5975-01-199-9927
NSN 6610-01-076-4800
NSN 7035-01-198-1512
NSN 5910-00-482-5285
NSN 5920-01-235-0704
NSN 6110-01-032-5075
NSN 5910-00-104-7260
NSN 6610-00-885-7000
NSN 5935-01-150-2011
NSN 5996-00-778-4735