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 4140-01-221-4050
NSN 6110-01-487-1616
NSN 5965-00-455-7581
NSN 6685-01-064-6518
NSN 6650-00-382-6080
NSN 5930-01-400-6126
NSN 5965-01-433-9125
NSN 5975-01-036-3507
NSN 5999-01-616-1020
NSN 5915-01-521-4073
NSN 5925-01-254-2578
NSN 2925-01-087-9290