Unthreaded bore dia.: 0.5625" nom.; raised face thickness: 0.094" nom.; positioning facility bolt circle dia.: 4.750" 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: 5.750" nom.; hub od: 3" nom.; raised face dia.: 2.995" min., 3" max.; thread provision: unthreaded; distance from center of bore to bottom of keyway: 1" nom.; keyway wd: 0.370" min., 0.372" max.; flange thickness: 1/2" 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 6685-01-534-7702
NSN 6685-01-192-0559
NSN 5975-01-429-9503
NSN 5835-01-056-4149
NSN 6685-00-404-1541
NSN 6650-00-910-2708
NSN 6145-01-214-5374
NSN 5855-00-281-3843
NSN 6650-01-330-2617
NSN 6240-01-162-4086
NSN 5960-01-219-4516
NSN 6610-00-164-1510