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 7035-01-646-4019
NSN 5999-01-089-8017
NSN 5990-00-603-9313
NSN 5950-01-373-5157
NSN 6685-00-985-2174
NSN 6105-00-286-5382
NSN 6620-00-119-2803
NSN 5996-00-827-2094
NSN 6645-00-434-8793
NSN 6220-01-147-3632
NSN 7035-00-371-7749
NSN 5855-01-161-8964