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 5930-00-170-7146
NSN 5925-01-147-8848
NSN 6650-01-500-7460
NSN 6220-00-571-9499
NSN 5990-01-386-3040
NSN 5965-01-625-8421
NSN 6650-01-599-9849
NSN 5910-00-925-4496
NSN 5915-01-050-3683
NSN 2925-00-816-8765
NSN 6650-00-751-9958
NSN 6685-01-143-4898