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 5930-00-049-2552
NSN 6610-00-870-1161
NSN 5930-00-954-5948
NSN 6685-01-501-9984
NSN 5905-01-313-1337
NSN 5915-01-408-3435
NSN 6320-01-183-8196
NSN 5975-01-085-5824
NSN 7035-01-285-7413
NSN 5950-01-227-0539
NSN 6110-01-090-0804
NSN 5985-01-420-9776