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 6130-00-816-7981
NSN 6620-01-541-1561
NSN 5905-01-157-9685
NSN 5950-01-224-7226
NSN 6685-01-219-0705
NSN 5990-01-057-4191
NSN 5920-01-054-5315
NSN 4140-01-498-4330
NSN 5985-01-103-2715
NSN 5960-01-360-3639
NSN 5960-00-195-4554
NSN 5996-01-044-6958