Distance from center of bore to bottom of keyway: 1.250" nom.; distance from bore centerline to body keying facility bottom/top: 2" nom.; threaded hole location (1) hole on top of key, (1) hole 90 deg. From keyway, both holes 2" from end of hub; body keying facility wd: 3.609" nom.; body keying facility dep/ht: 1.250" nom.; hole thread size designator: 1/2 - 13; threaded hole qty: 2; securing method: threaded hole; bore counterbore feature: not included; keying facility: 1; hub od: 4.125" nom.; thread provision: unthreaded; keyway wd: 0.375" nom.; taper major dia.: 1.999" min., 2" max.; flange thickness: 2.250" nom.
No other part numbers with same form, fit, and function found.
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 5975-01-472-2389
NSN 5925-01-381-5199
NSN 5945-00-716-1155
NSN 7035-01-390-1132
NSN 6240-00-949-4849
NSN 5835-01-520-4479
NSN 6320-01-414-7099
NSN 5855-01-657-7657
NSN 6110-01-604-7677
NSN 5930-01-528-7970
NSN 5998-01-090-0998
NSN 6320-01-331-1783