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 5985-01-431-8029
NSN 6240-01-332-6892
NSN 6110-01-485-9791
NSN 5990-01-447-7779
NSN 5990-01-440-7135
NSN 6150-00-826-1351
NSN 5905-01-082-6141
NSN 5935-00-153-8456
NSN 5975-00-503-9190
NSN 6130-01-521-0641
NSN 5975-01-061-9232
NSN 4140-01-258-6301