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 6150-01-117-7004
NSN 6110-01-113-6569
NSN 6145-01-462-0353
NSN 6105-01-071-7670
NSN 6645-00-960-6594
NSN 5999-01-030-9427
NSN 6610-00-010-1409
NSN 5999-00-115-5843
NSN 6650-00-504-2999
NSN 6110-01-579-3556
NSN 6685-00-674-0537
NSN 6145-01-286-6193