W/3 woodruff keys
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 6150-00-227-0464
NSN 5930-01-274-4293
NSN 5950-00-916-0412
NSN 5895-01-420-5088
NSN 5855-01-470-8247
NSN 5999-01-393-5620
NSN 5930-00-001-3233
NSN 5835-00-660-4523
NSN 5855-00-174-3482
NSN 7035-01-480-9761
NSN 5975-00-470-2320
NSN 5996-00-265-6573