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 4140-01-179-0797
NSN 6320-01-448-6216
NSN 6610-01-406-1601
NSN 6645-00-236-9076
NSN 6110-01-406-2635
NSN 6610-01-618-7038
NSN 5945-00-151-4623
NSN 6105-01-640-6313
NSN 5895-01-305-8915
NSN 6130-01-146-4221
NSN 5925-01-338-5728
NSN 7035-00-908-4933