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 6110-01-221-1417
NSN 5935-01-152-1241
NSN 5950-01-483-9862
NSN 6320-00-330-4327
NSN 6110-01-360-0453
NSN 5965-01-267-5263
NSN 5835-01-495-0595
NSN 5999-01-180-3473
NSN 6620-01-160-8517
NSN 6105-01-574-6423
NSN 6135-00-921-6487
NSN 6685-00-608-3295