1.898" inside diameter 2.154" outside diameter 0.048" major thickness special flat ring style 211000.0 pounds per square inch tensile strength rating oil surface treated
2a thread class right-hand 0.291" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.812" thread length bevel-conical head style 0.055" hole diameter 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.548" thread length bevel-conical head style 0.055" hole diameter 24 thread quantity per inch cadmium surface treated unf thread series