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 6645-01-332-8982
NSN 6610-00-277-7206
NSN 5950-01-170-8108
NSN 5975-01-507-0554
NSN 6145-00-495-3384
NSN 5930-01-617-3883
NSN 5905-01-072-9880
NSN 5960-01-222-4199
NSN 5905-00-843-8041
NSN 6110-01-411-6000
NSN 6685-01-553-9517
NSN 6110-01-633-8045