Curved groove 0.750 in. From one end 0.780 in. Deep by 0.225 in. Radius
A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.O25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see gearshaft (as modified). For items designed to support rotating members see axle(1), straight. For items not having the above conditions see pin, straight, headless. For items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 6105-01-436-9230
NSN 6145-01-265-0522
NSN 2925-01-353-3928
NSN 5895-00-432-6105
NSN 5855-00-132-1007
NSN 6105-01-611-7994
NSN 5998-01-540-6902
NSN 5935-00-887-1818
NSN 6145-00-681-4417
NSN 5945-00-854-8662
NSN 5835-01-478-9428
NSN 5999-01-335-5750