Flight safety critical
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 5965-01-398-9579
NSN 5999-01-088-7092
NSN 5930-01-015-0025
NSN 6650-00-342-6447
NSN 6685-01-451-6321
NSN 6135-01-529-0122
NSN 5999-01-100-7956
NSN 5905-00-939-4221
NSN 5999-01-041-5111
NSN 2925-00-925-0545
NSN 6620-01-029-3705
NSN 5895-01-319-3583