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 6145-00-657-4755
NSN 6685-01-200-7617
NSN 6650-01-285-5856
NSN 4140-00-215-8593
NSN 6135-01-333-6101
NSN 5945-01-167-8498
NSN 5905-00-964-9972
NSN 2925-01-417-6815
NSN 5985-00-521-9051
NSN 5975-00-105-5107
NSN 4140-01-441-0283
NSN 6320-00-225-7013