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 6685-01-592-0505
NSN 6220-01-525-0373
NSN 5965-00-820-0469
NSN 6110-00-446-1045
NSN 5965-01-659-8389
NSN 6645-01-324-8185
NSN 5950-01-535-3967
NSN 5855-01-634-0259
NSN 6685-01-304-2122
NSN 5999-01-254-0227
NSN 5855-01-384-7120
NSN 6150-01-197-4427