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 5905-00-555-1899
NSN 5996-01-478-2551
NSN 6130-01-617-5907
NSN 6610-01-535-0310
NSN 5965-01-463-2815
NSN 5920-01-116-5844
NSN 5945-01-654-0960
NSN 5925-01-371-8766
NSN 6320-00-149-7570
NSN 5975-01-310-2961
NSN 6110-01-256-2541
NSN 6220-01-512-0144