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 6620-00-181-4622
NSN 4140-00-660-8699
NSN 6320-00-456-0836
NSN 5985-01-569-6769
NSN 4140-00-187-6086
NSN 7035-00-312-3055
NSN 6685-01-093-4071
NSN 5996-01-282-9635
NSN 5945-01-191-2005
NSN 5999-01-492-4813
NSN 6240-00-172-8451
NSN 6320-00-857-4073