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 6645-00-646-6631
NSN 6145-01-027-4092
NSN 6220-00-004-1744
NSN 5996-00-090-6663
NSN 6135-00-377-9165
NSN 5835-01-385-0579
NSN 5925-01-332-3266
NSN 5998-01-415-5525
NSN 6110-00-552-6706
NSN 6645-00-089-7903
NSN 6240-01-376-3697
NSN 6685-01-250-6993