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 6320-00-270-8222
NSN 5915-00-224-5202
NSN 6685-00-270-8070
NSN 5965-00-811-3793
NSN 6620-01-462-0001
NSN 5935-00-113-5171
NSN 7035-00-981-7216
NSN 4140-01-181-2423
NSN 6240-00-798-1810
NSN 6220-01-627-5380
NSN 5960-01-100-0089
NSN 6135-01-459-6424