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 6320-00-857-4073
NSN 6610-00-014-3429
NSN 6320-00-701-0437
NSN 6240-00-250-8693
NSN 6130-01-441-2326
NSN 6150-01-457-5039
NSN 6650-01-359-4238
NSN 5945-01-308-4832
NSN 5935-01-657-0653
NSN 5855-00-631-4565
NSN 5965-00-470-9521
NSN 6110-00-523-6887