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 5945-01-415-7517
NSN 5945-01-409-2718
NSN 2925-00-611-6711
NSN 6150-00-526-3720
NSN 6145-00-921-7990
NSN 5996-01-323-7763
NSN 5975-01-418-6100
NSN 6610-01-130-7057
NSN 6110-00-399-1413
NSN 5999-01-254-5957
NSN 6105-00-113-9364
NSN 5945-01-539-6597