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 6610-01-090-5908
NSN 6645-00-276-7544
NSN 6320-01-125-3361
NSN 5925-01-477-4717
NSN 5915-00-443-5854
NSN 5895-01-591-2739
NSN 6685-01-016-2057
NSN 5985-01-040-4889
NSN 5895-01-538-7267
NSN 5895-01-356-2290
NSN 5990-01-507-7495
NSN 6135-01-594-6107