Cdistance from center of bore to bottom of keyway: 1.253" nom.; positioning hole counterbore dep.: 0.202" min., 0.218" max.; positioning hole counterbore dia.: 1.359" min., 1.391" max.; unthreaded bore dep.: 1.218" nom.; unthreaded bore dia.: 1.870" min., 1.875" max.; positioning facility bolt circle dia.: 6" nom.; positioning facility qty: 8; positioning hole style: counterbored; keying facility qty: 1; counterbore location: coupling end; hub od: 3.375" nom.; thread provision: unthreaded; bore lg.: 2.062" nom.; keyway wd.: 0.500" min., 0.501" max.; taper minor dia.: 1.924" nom.; recess dep: 0.4375" nom.; recess dia.: 3.125" nom.; flange thickness: 1.4375" nom.; counterbore dep: 0.03125" nom.; counterbore dia.: 7.375" nom.
A mechanical item used to connect a shaft and the mating member of a flexible or rigid coupling.
Classification: Shaft couplings, except universal joints
NSN 6650-01-238-9717
NSN 5935-01-135-9744
NSN 7035-01-361-8821
NSN 6135-01-463-7077
NSN 5945-01-347-1825
NSN 4140-01-240-1116
NSN 7035-01-248-4319
NSN 5960-01-624-1170
NSN 5998-00-500-8551
NSN 2925-00-215-4954
NSN 4140-00-189-0235
NSN 5965-00-370-3855