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 6145-00-977-6160
NSN 5910-01-351-2844
NSN 6610-01-391-6781
NSN 6105-01-160-8410
NSN 5920-01-054-5315
NSN 5905-00-951-4774
NSN 6145-01-201-9506
NSN 5945-01-079-3934
NSN 5950-01-205-8137
NSN 5985-00-548-1500
NSN 5930-01-343-2975
NSN 5905-00-753-0299