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 5985-01-328-8878
NSN 5960-01-228-8858
NSN 6135-01-361-1776
NSN 5935-00-153-2113
NSN 6135-01-163-0332
NSN 7035-01-570-0332
NSN 5998-01-177-9340
NSN 5835-01-645-2892
NSN 5960-01-152-6097
NSN 5935-00-785-1032
NSN 6240-00-179-5043
NSN 5915-00-353-0853