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 4140-00-403-9202
NSN 5999-01-082-4488
NSN 5985-01-133-4411
NSN 6110-01-446-6296
NSN 7035-01-044-0136
NSN 5855-01-534-3724
NSN 6610-01-099-9710
NSN 6145-00-702-0057
NSN 6110-01-435-5871
NSN 5855-01-256-9597
NSN 5998-01-349-6065
NSN 5935-01-039-5345