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 4140-00-459-9045
NSN 6110-01-082-2409
NSN 5990-01-054-4255
NSN 5999-01-439-4057
NSN 5935-00-401-7858
NSN 5930-01-423-9415
NSN 5950-01-275-1489
NSN 5895-00-516-6562
NSN 5998-01-074-5192
NSN 5965-00-857-6622
NSN 5835-00-807-5632
NSN 6130-01-203-0000