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 6150-01-555-8477
NSN 4140-00-967-7969
NSN 5905-01-439-5347
NSN 6135-00-862-5736
NSN 5975-01-170-4131
NSN 5960-01-036-1223
NSN 5945-01-110-6998
NSN 5950-01-573-8815
NSN 5905-01-180-8005
NSN 5905-01-162-5688
NSN 6150-00-925-1005
NSN 7035-01-560-1065