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 6610-00-608-9802
NSN 5835-00-173-4456
NSN 5920-01-523-5134
NSN 6220-01-032-5646
NSN 6240-01-323-5386
NSN 5996-01-539-5995
NSN 5999-01-104-5334
NSN 6130-01-419-4671
NSN 5905-00-726-5438
NSN 5998-00-917-5244
NSN 5950-01-568-4943
NSN 6685-01-322-7801