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 6145-01-596-1221
NSN 5965-01-222-1420
NSN 6130-00-530-3737
NSN 5910-00-705-6442
NSN 6220-01-364-9608
NSN 2925-00-620-2496
NSN 6610-00-941-0509
NSN 6645-01-484-9847
NSN 2925-01-141-7563
NSN 5930-01-207-1012
NSN 6650-00-160-4288
NSN 6645-01-521-3180