Raised face thickness: 0.3126" nom.; threaded hole location: over keyway and 90 deg. From keyway; threaded hole qty: 2; securing method: threaded hole; bore counterbore feature: included; keying facility qty: 1; keying facility: included; counterbore location: coupling end; o/a outside dimension: 4"; hub od: 2.500" nom.; furnished item & qty (2) setscrews; thread provision: unthreaded; distance from center of bore to bottom of keyway: 0.625" nom.; keyway wd: 0.250" nom.; flange thickness: 0.7812" 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 5945-01-055-5091
NSN 6610-01-424-0776
NSN 5930-01-015-7483
NSN 6135-01-417-6539
NSN 5895-00-342-9581
NSN 5915-01-593-5798
NSN 5975-01-159-3930
NSN 6610-01-010-4516
NSN 5960-01-438-0245
NSN 6135-00-269-5843
NSN 5965-01-142-1807
NSN 6105-01-460-1958