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 6650-01-619-9986
NSN 6610-01-091-2908
NSN 5925-01-296-5360
NSN 6320-01-262-8642
NSN 5999-01-618-5882
NSN 5990-00-285-1948
NSN 5985-01-607-0230
NSN 4140-01-286-8123
NSN 6110-00-881-4195
NSN 5975-00-529-3835
NSN 6145-00-857-6903
NSN 5855-00-466-2309