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 6145-01-082-0986
NSN 6110-01-093-1468
NSN 5915-01-603-7557
NSN 6620-01-525-8648
NSN 5910-00-741-2715
NSN 5925-00-140-2359
NSN 6650-01-313-5511
NSN 5999-01-306-4432
NSN 5990-00-121-2134
NSN 6685-01-415-1390
NSN 5910-01-651-1894
NSN 7035-01-222-1484