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 5950-01-341-2326
NSN 6240-01-077-1127
NSN 6135-00-377-9165
NSN 6220-01-380-7148
NSN 5999-01-312-6454
NSN 6130-01-418-0786
NSN 5915-01-503-0155
NSN 6150-01-476-7430
NSN 5915-01-326-7883
NSN 6105-00-430-2378
NSN 6145-00-284-1514
NSN 6105-00-221-5049