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 2925-00-789-1106
NSN 6110-01-209-6906
NSN 6135-01-333-6737
NSN 5999-01-100-5514
NSN 6240-00-739-0961
NSN 5985-00-097-8802
NSN 6685-01-203-4381
NSN 5920-00-499-8285
NSN 6620-01-262-5128
NSN 5930-01-447-2837
NSN 5910-01-056-2988
NSN 6320-01-170-4068