2nd end thds no.6-40 unf-2a
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 5985-00-068-2029
NSN 5930-01-469-3418
NSN 5855-00-760-3870
NSN 5975-00-598-0159
NSN 5915-00-914-9962
NSN 6145-01-004-8343
NSN 6220-00-819-7028
NSN 7035-00-541-8516
NSN 5950-00-776-7003
NSN 6620-01-025-1443
NSN 5996-00-925-1953
NSN 6105-00-097-9824