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 5925-01-197-5846
NSN 5945-00-370-6279
NSN 5855-00-962-2520
NSN 5999-00-328-8885
NSN 5999-01-496-5110
NSN 6610-00-155-1334
NSN 5950-00-721-5642
NSN 5935-01-431-7503
NSN 6685-00-451-6941
NSN 6645-01-605-8796
NSN 6135-01-069-2482
NSN 6135-00-299-6918