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 5910-00-350-2921
NSN 5960-01-044-4902
NSN 7035-01-022-1008
NSN 5915-01-399-7278
NSN 5965-00-117-4214
NSN 6240-01-113-9996
NSN 2925-00-149-0760
NSN 6145-01-399-0188
NSN 5960-00-190-0090
NSN 5855-01-439-7214
NSN 5960-00-266-6741
NSN 5985-01-112-0455