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 5999-01-375-9165
NSN 4140-00-408-9989
NSN 5925-01-070-0670
NSN 6135-01-066-6904
NSN 6610-01-520-6889
NSN 6650-01-189-7040
NSN 5855-00-285-8172
NSN 6150-00-596-4974
NSN 5990-01-485-8874
NSN 6650-01-618-0680
NSN 7035-01-411-6062
NSN 6645-01-462-2101