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 5930-01-193-5395
NSN 5950-00-116-7708
NSN 2925-01-471-3365
NSN 5905-00-498-2111
NSN 6135-00-898-6996
NSN 5996-00-518-4880
NSN 5950-01-328-4592
NSN 6620-00-270-3275
NSN 5925-01-440-7569
NSN 6645-00-935-7046
NSN 6130-00-832-9162
NSN 6650-01-129-8343