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 6610-00-975-5638
NSN 6145-00-160-7796
NSN 6645-01-084-9074
NSN 5930-01-464-9875
NSN 6105-00-553-0382
NSN 5985-01-468-5674
NSN 6685-00-737-3838
NSN 5999-00-909-0562
NSN 5855-01-533-7051
NSN 5915-01-535-0918
NSN 5855-01-169-1706
NSN 6130-01-359-5032