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 5935-00-866-3182
NSN 5975-01-544-0134
NSN 6320-00-295-2854
NSN 7035-01-145-5059
NSN 5996-01-470-0545
NSN 2925-00-707-6770
NSN 5960-01-137-2329
NSN 4140-01-108-3654
NSN 5998-01-518-8873
NSN 5895-01-062-2684
NSN 5945-01-460-5144
NSN 6110-00-655-2937