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 6220-00-918-1099
NSN 5990-01-417-4402
NSN 6110-00-719-7209
NSN 5950-00-902-3164
NSN 5835-01-537-1228
NSN 6645-01-567-2968
NSN 2925-01-324-6423
NSN 5920-01-265-1873
NSN 5996-01-535-0652
NSN 6130-00-900-4758
NSN 4140-01-275-1700
NSN 6620-00-197-5130