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 6685-00-729-6498
NSN 6650-00-171-4175
NSN 5975-01-415-8164
NSN 7035-01-202-8172
NSN 5910-01-400-5947
NSN 5965-01-055-7645
NSN 5950-01-622-1616
NSN 5990-01-352-5255
NSN 6130-00-170-4844
NSN 5996-01-400-3558
NSN 5835-01-386-4027
NSN 5975-01-141-0103