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 5990-00-636-4218
NSN 6645-01-603-9331
NSN 5975-00-580-0434
NSN 5998-01-486-3297
NSN 6145-00-081-6686
NSN 6220-01-578-5724
NSN 6645-00-700-4892
NSN 5910-01-069-7594
NSN 5910-00-301-1227
NSN 5905-01-252-0384
NSN 6150-00-287-6879
NSN 5915-00-175-8657