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 6610-01-500-0863
NSN 6685-00-100-1511
NSN 6650-01-157-8806
NSN 2925-01-394-5650
NSN 5915-01-534-3397
NSN 5935-01-369-3092
NSN 5855-01-591-0466
NSN 6220-00-117-4547
NSN 5985-01-632-0738
NSN 4140-01-300-8060
NSN 5996-01-278-9294
NSN 6240-01-401-5340