Has keyway at center
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 6135-01-062-5420
NSN 6110-01-437-3919
NSN 6320-00-310-1080
NSN 6645-01-475-4723
NSN 5905-00-633-1652
NSN 5930-01-634-0659
NSN 4140-01-523-4976
NSN 6145-01-541-3310
NSN 6240-01-234-7893
NSN 5998-00-716-5261
NSN 5905-01-515-3713
NSN 6320-01-116-3980