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 6220-01-143-5761
NSN 5910-01-501-0109
NSN 5975-00-617-6537
NSN 5910-01-481-3658
NSN 6320-00-521-9350
NSN 6130-00-089-6274
NSN 6685-01-395-0549
NSN 5915-01-437-8858
NSN 6240-01-563-5904
NSN 5950-01-359-8952
NSN 5855-01-359-0373
NSN 6130-00-170-4844