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 5950-01-097-0744
NSN 5930-00-518-1642
NSN 5965-01-089-7678
NSN 5965-00-194-9875
NSN 5990-01-633-9503
NSN 5915-01-194-7598
NSN 6105-01-179-0478
NSN 6610-01-168-7943
NSN 5998-01-391-6065
NSN 5945-01-560-9898
NSN 6620-00-375-0393
NSN 5950-01-204-1335