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 6240-00-113-8820
NSN 5990-00-067-6791
NSN 4140-01-453-9064
NSN 7035-01-106-0366
NSN 6650-01-481-3618
NSN 6105-01-454-9381
NSN 5990-01-086-4825
NSN 5910-01-141-6372
NSN 5999-01-035-9729
NSN 6645-00-003-3332
NSN 4140-00-026-0286
NSN 5998-00-134-0267