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 5925-00-732-8916
NSN 5930-01-199-2920
NSN 5975-01-340-3860
NSN 5945-01-171-0130
NSN 5990-01-227-6526
NSN 2925-00-193-2402
NSN 5920-01-634-0250
NSN 4140-01-209-0861
NSN 5930-01-244-3433
NSN 6145-00-126-1606
NSN 6685-01-595-3127
NSN 6620-01-475-3472