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 2925-00-984-7525
NSN 5910-00-091-1185
NSN 6220-00-689-8114
NSN 7035-00-020-2227
NSN 6320-01-139-0533
NSN 5950-01-433-2147
NSN 5999-01-505-3119
NSN 5999-01-270-3957
NSN 5855-01-191-3404
NSN 6220-01-530-6347
NSN 5855-00-631-4565
NSN 6130-01-634-0603