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 6110-01-329-1672
NSN 5835-01-392-0575
NSN 5999-00-913-9529
NSN 5998-00-174-8518
NSN 6220-01-210-1906
NSN 5855-00-256-5562
NSN 6135-00-377-9165
NSN 5920-01-068-6768
NSN 6620-01-101-4408
NSN 5910-01-014-6265
NSN 5965-00-997-5764
NSN 6135-01-142-6456