2a thread class right-hand 0.325" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.259" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 1.250" thread length pan no. 2 head style 20 thread quantity per inch passivate screw surface treated integral silicone o-ring unc thread series
2a thread class right-hand 1.394" thread length flat countersunk head style 20 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.401" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
2a thread class right-hand 0.439" thread length pan head style 32 thread quantity per inch passivate screw surface treated furnished with 1 boot type nylon washer unf thread series