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 5920-01-311-3072
NSN 5950-01-024-0436
NSN 6145-00-086-3746
NSN 5925-00-471-4635
NSN 6685-01-547-2519
NSN 5855-00-361-0167
NSN 6685-01-220-8616
NSN 5835-01-647-6426
NSN 5905-01-027-1239
NSN 6220-00-935-6881
NSN 5990-00-052-3143
NSN 6145-01-494-8074