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 5910-01-576-1625
NSN 6145-01-528-4181
NSN 5930-00-959-0077
NSN 6645-01-103-6586
NSN 5930-01-367-2184
NSN 7035-01-026-1171
NSN 6130-00-401-4970
NSN 5915-00-686-9149
NSN 5975-01-497-0741
NSN 6220-01-584-0934
NSN 6685-01-524-0229
NSN 7035-00-861-7913