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 5920-01-560-5054
NSN 5990-00-202-5127
NSN 6130-00-487-7699
NSN 7035-01-413-6697
NSN 6220-01-348-0677
NSN 5930-01-463-9107
NSN 4140-00-449-9619
NSN 5920-01-537-0684
NSN 6220-01-467-9608
NSN 6220-01-504-5517
NSN 6610-00-186-9180
NSN 5930-00-952-7076