3 notches 0.188 in. Raduis, 0.125 in. Deep first notch located 1.844 in. From first end and 1 notch same dim located 90 degrees from first notch
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 6110-01-154-7066
NSN 5985-01-441-2786
NSN 7035-01-633-9537
NSN 5910-01-610-7734
NSN 6145-00-107-7913
NSN 6610-01-580-0766
NSN 5905-00-734-1996
NSN 5910-01-331-2792
NSN 5855-00-138-2386
NSN 6620-01-378-3175
NSN 5925-00-104-5761
NSN 6645-00-547-4388