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 6110-01-555-8410
NSN 2925-01-602-1975
NSN 5905-01-539-5285
NSN 6145-00-089-6945
NSN 6110-01-335-0580
NSN 6620-01-476-4567
NSN 5895-01-492-0077
NSN 6650-01-119-3058
NSN 5960-01-474-4843
NSN 6105-01-122-2673
NSN 6645-00-684-3424
NSN 5920-01-622-7558