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 5990-01-221-0609
NSN 6650-01-456-4527
NSN 6685-01-433-3057
NSN 6620-00-965-9841
NSN 5925-01-600-0250
NSN 5975-01-196-4990
NSN 5915-01-353-8645
NSN 5998-00-471-4513
NSN 2925-00-288-1394
NSN 6150-00-140-4506
NSN 5915-01-508-4199
NSN 6620-01-169-2406