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 6650-00-266-6808
NSN 5999-01-265-8145
NSN 6145-00-656-5329
NSN 5999-01-234-9074
NSN 2925-00-923-4397
NSN 5915-01-275-3008
NSN 5895-01-357-8044
NSN 6320-01-021-6633
NSN 5935-01-622-0490
NSN 5905-01-428-4192
NSN 6650-01-084-5537
NSN 6650-01-651-6221