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 5925-01-560-0561
NSN 6110-01-409-2031
NSN 7035-01-408-6802
NSN 5999-01-138-1136
NSN 6650-01-236-5916
NSN 5990-00-505-1546
NSN 5975-01-178-5709
NSN 2925-01-448-2880
NSN 6240-01-631-6116
NSN 6145-01-524-6181
NSN 5998-01-561-7945
NSN 6105-01-339-1220