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 5998-00-980-2307
NSN 6620-00-778-7405
NSN 6610-00-925-0935
NSN 5920-01-534-0393
NSN 5985-01-512-3265
NSN 5950-01-040-3498
NSN 6220-01-388-8049
NSN 6650-01-529-6416
NSN 6135-00-043-4312
NSN 6135-00-567-1322
NSN 5905-01-519-8272
NSN 6610-01-542-8825