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 7035-01-271-1643
NSN 5996-01-025-3611
NSN 5855-00-300-1873
NSN 6220-01-365-4208
NSN 2925-01-324-3533
NSN 5915-00-186-9346
NSN 5999-00-944-9911
NSN 6610-01-296-4462
NSN 6130-01-545-5258
NSN 5945-00-115-3594
NSN 6110-00-081-6335
NSN 5855-00-014-5008