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 5935-00-731-0140
NSN 5999-01-474-3038
NSN 5996-01-141-1989
NSN 5975-00-104-5399
NSN 6620-01-655-4591
NSN 6320-01-453-5152
NSN 6110-01-116-4251
NSN 6685-01-384-4138
NSN 5990-00-960-6310
NSN 5925-00-069-8152
NSN 5990-01-529-8433
NSN 6220-01-232-1572