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 6220-00-156-0860
NSN 6145-01-608-2904
NSN 5990-01-482-5950
NSN 7035-00-152-6485
NSN 5985-00-807-5215
NSN 6220-00-237-5964
NSN 6135-01-493-5750
NSN 6320-00-402-6493
NSN 4140-01-463-7952
NSN 6620-01-512-2016
NSN 4140-01-039-0414
NSN 5985-00-250-7138