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 5925-00-295-6255
NSN 5905-00-649-8659
NSN 2925-01-460-1345
NSN 5935-00-222-5991
NSN 5975-01-142-5400
NSN 5975-01-148-9397
NSN 6645-01-324-1956
NSN 5965-01-204-8505
NSN 5985-00-828-0615
NSN 6105-01-154-1062
NSN 5895-00-981-9838
NSN 5999-00-923-9795