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 6645-00-877-6002
NSN 6135-00-715-4001
NSN 5975-00-995-9110
NSN 5835-00-833-7080
NSN 6645-01-221-1324
NSN 5950-01-501-1526
NSN 6685-00-095-6147
NSN 5998-00-249-1092
NSN 6685-01-077-3414
NSN 5895-01-310-3526
NSN 5895-01-364-4868
NSN 5985-00-894-1251