Cres, ams5630, 45 min, 50 max rockwell c scale hardness, 0.365 in. Min, 0.385 in. Max offset h, 3.600 in. C to c distance between link and shaft hole, 0.920 in. Min, 0.930 in. Max shaft end thk, 0.245 in. Min, 0.255 in. Max link end thk, 0.219 in. Distance from 1st link hole center to end, 0.1895 in. Min, 0.1915 in. Max link end 1st hole dia, 0.1895 in. Min, 0.1915 in. Max link end 2nd hole dia, 0.1895 in. Min, 0.1915 in. Max link end 3rd hole dia, 0.1895 in. Min, 0.1915 in. Max link end 4th hole dia, 0.2495 in. Min, 0.2515 in. Max diameter shaft end hole
