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 5925-01-144-0445
NSN 6240-00-297-3919
NSN 6645-01-025-1002
NSN 5920-00-961-0497
NSN 6135-01-299-0778
NSN 2925-01-535-7235
NSN 5905-01-441-2213
NSN 5945-01-228-0366
NSN 5910-00-530-6094
NSN 5920-01-131-9714
NSN 6620-01-205-0320
NSN 5920-00-198-4337