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 6620-01-157-9267
NSN 6650-01-227-1632
NSN 6220-01-521-4070
NSN 7035-01-377-6255
NSN 5999-01-435-5304
NSN 5855-01-222-1242
NSN 4140-01-195-1985
NSN 6150-01-556-6177
NSN 5895-00-989-1025
NSN 5960-01-069-8028
NSN 2925-01-430-4206
NSN 5999-00-547-8724