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 5835-00-364-0816
NSN 5965-01-656-0566
NSN 5985-01-089-7792
NSN 6105-01-357-6320
NSN 5985-01-440-8418
NSN 5998-00-905-1482
NSN 2925-01-394-5650
NSN 6650-01-112-6385
NSN 4140-01-116-2187
NSN 5895-00-267-7430
NSN 5925-01-569-6755
NSN 5945-01-069-0923