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 4140-01-414-4551
NSN 5960-01-391-8860
NSN 5945-01-114-8258
NSN 5950-01-127-0637
NSN 6685-00-269-6444
NSN 6620-01-158-5111
NSN 5915-01-441-2238
NSN 6685-00-987-3696
NSN 6150-01-342-5217
NSN 6105-01-485-0842
NSN 5965-01-419-2251
NSN 6220-01-285-5180