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 6220-00-141-6150
NSN 5975-00-151-7263
NSN 6685-00-331-8141
NSN 6645-01-176-3372
NSN 5950-01-044-6175
NSN 5910-01-544-4410
NSN 5930-00-563-0007
NSN 5950-01-459-7961
NSN 4140-01-073-1455
NSN 6685-01-176-3649
NSN 5920-00-231-3922
NSN 5920-00-333-9977