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 5950-00-385-8906
NSN 6130-00-677-8643
NSN 6220-01-495-9231
NSN 5985-01-590-8919
NSN 6220-01-557-4501
NSN 6685-01-113-5350
NSN 5975-01-564-1578
NSN 5975-01-293-0750
NSN 5895-01-116-6498
NSN 2925-01-104-8163
NSN 5998-01-563-3403
NSN 5925-01-312-5820