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 4140-01-176-6876
NSN 5985-00-177-1669
NSN 5975-00-052-4591
NSN 5935-01-224-8092
NSN 6145-01-142-5732
NSN 5925-01-075-4598
NSN 5905-01-364-8594
NSN 5999-00-458-9662
NSN 5935-00-798-2306
NSN 5945-01-415-0603
NSN 5975-01-261-1292
NSN 6685-01-634-0611