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 5895-01-086-1416
NSN 6220-00-753-8184
NSN 5999-01-227-2526
NSN 5905-01-262-3829
NSN 5920-01-278-0600
NSN 5975-00-150-6400
NSN 6645-01-561-5930
NSN 6685-01-281-4615
NSN 6135-01-061-1862
NSN 6145-00-691-3609
NSN 6610-00-144-7036
NSN 6145-01-377-8470