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 5945-01-641-1424
NSN 6620-00-043-6082
NSN 5925-00-827-0927
NSN 6150-00-753-3950
NSN 6320-01-132-2746
NSN 5996-00-964-9400
NSN 6685-00-981-2113
NSN 5855-01-426-5589
NSN 6110-00-614-9218
NSN 6650-00-395-8712
NSN 5910-00-203-2119
NSN 6620-01-106-3553