Hole thread size designator: 5/16-18; threaded hole location: holes spaced 90 deg. Apart 0.250" from end of coupling, one hole drilled through wall of keyway; threaded hole qty: 2; secring method: threaded hole; bore counterbore feature: not included; keying facility qty: 1; keying facility: included; o/a outside dimension: 3.250"; hub od: 1.844" 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: 0.594" 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 6620-00-738-6078
NSN 5915-00-421-4762
NSN 6110-00-096-7643
NSN 5990-01-533-1347
NSN 6620-01-222-8820
NSN 5910-00-596-3179
NSN 6130-01-383-4966
NSN 5990-01-061-5618
NSN 6105-00-246-5311
NSN 5855-00-149-0766
NSN 6650-01-140-4463
NSN 6105-01-143-4879