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 6620-01-316-7907
NSN 5950-00-615-9933
NSN 5999-01-135-6048
NSN 6650-01-132-0737
NSN 5960-00-116-9983
NSN 6240-01-580-5718
NSN 6110-01-092-6299
NSN 5925-01-409-2616
NSN 5835-01-632-6627
NSN 6610-01-212-9817
NSN 6650-01-079-9838
NSN 5945-01-006-0056