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 6645-00-117-9839
NSN 5855-01-606-3745
NSN 5990-01-532-6113
NSN 6650-00-820-4577
NSN 4140-00-395-2525
NSN 5945-01-550-9755
NSN 7035-00-511-8617
NSN 5996-00-343-9341
NSN 5855-00-231-7790
NSN 6145-00-144-0918
NSN 6135-01-388-2761
NSN 6620-00-905-8530