One flat keyway on largest diameter
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 5975-01-133-8937
NSN 6130-00-673-8281
NSN 6650-00-299-9681
NSN 5905-01-554-3514
NSN 6240-00-038-7540
NSN 5996-01-014-6103
NSN 5910-01-083-3231
NSN 5998-00-523-1638
NSN 5855-00-237-4088
NSN 2925-01-172-9209
NSN 6145-01-613-2681
NSN 5999-01-348-5717