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 6220-00-222-5663
NSN 6650-00-443-4292
NSN 6610-01-417-3011
NSN 5925-00-170-4090
NSN 5855-01-382-8725
NSN 5985-01-605-2470
NSN 5999-00-159-7675
NSN 5935-01-631-4107
NSN 5950-01-585-1022
NSN 6650-01-013-9958
NSN 5910-01-587-5217
NSN 6220-01-073-3338