Two 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 5835-01-176-5422
NSN 5835-01-034-2040
NSN 4140-01-080-5114
NSN 6135-00-274-4035
NSN 5985-01-123-9484
NSN 7035-01-261-9850
NSN 5925-01-284-9043
NSN 4140-00-213-6562
NSN 6145-01-328-7991
NSN 6130-01-090-0631
NSN 5910-00-958-2682
NSN 5945-01-409-0879