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 6220-01-512-0144
NSN 4140-01-423-1005
NSN 6150-01-267-6482
NSN 5925-01-202-8280
NSN 6645-00-869-0850
NSN 6220-01-240-8874
NSN 6620-01-386-5914
NSN 5855-01-295-2313
NSN 5950-01-069-3861
NSN 6320-01-347-2638
NSN 7035-01-029-7221
NSN 5975-01-657-5060