First end flat with 0.250-28 unf 2b, rh thread through shaft
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 6645-00-551-8291
NSN 5998-01-606-2553
NSN 6650-00-854-0265
NSN 5950-00-080-2826
NSN 7035-01-034-4443
NSN 5930-01-373-3979
NSN 5975-01-484-9236
NSN 6610-00-170-6715
NSN 6620-01-025-8331
NSN 5915-00-576-0252
NSN 6320-01-411-6610
NSN 7035-01-023-7859