Unthreaded bore dia.: 0.500" min.; 0.501" max. Max.; raised face thickness: 0.188" nom.; positioning facility bolt circle dia.: 5.500" nom.; positioning facility qty: 6; positioning hole style: plain; bore counterbore feature: not included; keying facility qty: 1; keying facility: included; o/a outside dimension: 6.625" nom.; hub od: 4.250" nom.; raised face dia.: 3.250" min., 3.251" max.; thread provision: unthreaded; distance from center of bore to bottom of keyway: 1.59375" min., 1.59475" max.; keyway wd: 0.625" min., 0.626" max.; taper minor dia.: 2.3515" min., 2.3525" max.; flange thickness: 0.750" 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 5945-01-507-9220
NSN 6150-01-437-5552
NSN 6220-00-531-6430
NSN 6110-01-054-9059
NSN 5910-00-557-0923
NSN 6110-01-398-1507
NSN 5998-01-644-5033
NSN 5975-01-604-9430
NSN 6610-00-495-4918
NSN 6220-01-429-9538
NSN 6105-01-568-9495
NSN 5925-00-420-8561