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 5915-01-571-1862
NSN 6610-00-348-8556
NSN 5920-01-119-4363
NSN 5945-01-369-2733
NSN 5920-01-548-0094
NSN 6110-00-827-0086
NSN 5925-00-691-2434
NSN 5855-01-223-0833
NSN 5999-01-483-3650
NSN 5855-01-391-7077
NSN 6220-01-605-4463
NSN 6650-01-381-2972