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 6220-01-281-8848
NSN 6610-01-575-8795
NSN 6610-00-553-5103
NSN 5975-01-524-0637
NSN 4140-01-218-5919
NSN 5915-01-469-2136
NSN 5905-01-183-6292
NSN 6135-00-613-1068
NSN 2925-01-521-0600
NSN 6145-01-364-0346
NSN 5965-01-107-8549
NSN 7035-00-631-3782