Bore of shaft has keyway
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 5855-01-392-1808
NSN 5996-01-195-4122
NSN 5960-01-188-4558
NSN 6110-01-571-7987
NSN 6645-00-009-7458
NSN 5999-01-170-6459
NSN 2925-00-333-4702
NSN 5985-00-992-6981
NSN 5855-00-560-0110
NSN 6320-00-116-3658
NSN 5915-01-426-8862
NSN 6110-01-605-1545