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 4140-01-534-9987
NSN 5999-01-516-1479
NSN 6240-01-409-0439
NSN 6685-00-186-9190
NSN 6610-01-630-7202
NSN 6650-01-406-5322
NSN 2925-00-391-0331
NSN 6135-01-017-3001
NSN 5905-00-627-7448
NSN 6145-00-170-8636
NSN 5835-01-495-5986
NSN 6320-00-725-0754