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 5950-00-421-2551
NSN 5999-01-593-3125
NSN 6620-01-054-9346
NSN 5985-01-218-4129
NSN 6110-00-891-9917
NSN 6645-00-171-9639
NSN 5950-00-272-9398
NSN 6145-01-315-6397
NSN 5910-01-107-4157
NSN 6220-00-953-0389
NSN 5915-01-056-5141
NSN 6685-01-322-6429