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 5935-00-623-7199
NSN 5975-01-211-9127
NSN 5950-01-491-4407
NSN 5990-00-026-4420
NSN 6110-00-057-6873
NSN 5895-00-162-9067
NSN 6110-00-735-2267
NSN 6240-01-415-5581
NSN 5999-00-644-9767
NSN 6110-00-288-4179
NSN 5835-01-412-0344
NSN 5905-00-578-2340