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 5835-01-246-0972
NSN 6105-00-353-8153
NSN 6320-00-483-0451
NSN 7035-01-217-7474
NSN 6135-00-078-9931
NSN 5895-01-484-0893
NSN 6645-01-622-6161
NSN 6650-01-386-1300
NSN 5996-00-565-0277
NSN 6145-00-511-6061
NSN 5965-00-957-5200
NSN 5920-01-151-2773