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 5999-00-131-7244
NSN 6645-00-155-2398
NSN 6685-00-404-8444
NSN 6645-01-314-2889
NSN 6320-00-809-5744
NSN 6150-01-472-4597
NSN 5910-01-335-9876
NSN 6645-01-609-4753
NSN 5930-00-548-6788
NSN 6620-01-418-3245
NSN 5925-01-309-3951
NSN 5999-01-020-7641