Bore counterbore feature: not included; keying facility qty: 1; hub od: 4.250" nom.; thread provision: unthreaded; distance from center of bore to bottom of keyway: 1.315" nom.; keyway wd: 1/2" nom.; flange thickness: 1" 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 5950-01-245-7780
NSN 5930-01-645-9147
NSN 6135-00-826-4798
NSN 5915-01-211-7777
NSN 5998-01-295-4582
NSN 6685-00-722-3209
NSN 6610-01-357-9188
NSN 6240-00-484-1190
NSN 6105-00-336-3323
NSN 7035-00-270-5519
NSN 5855-00-361-0167
NSN 6320-01-072-2073