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 6145-01-277-8165
NSN 5935-00-816-7396
NSN 5990-01-218-1821
NSN 5965-01-624-4840
NSN 6145-00-702-8816
NSN 5920-01-050-7474
NSN 6130-00-139-2914
NSN 5935-00-608-2784
NSN 6110-01-548-8417
NSN 5960-01-539-1956
NSN 6685-01-442-6195
NSN 6620-00-932-4306