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 6620-00-804-8272
NSN 6645-00-767-6307
NSN 6645-01-195-6207
NSN 6135-01-286-9563
NSN 5925-00-780-2574
NSN 5965-01-465-4370
NSN 6320-01-345-5818
NSN 5996-01-088-7074
NSN 5915-01-196-9620
NSN 5975-01-597-4770
NSN 6645-01-205-3869
NSN 5999-01-254-2763