3a thread class right-hand 0.313" thread length hexagon head style 32 thread quantity per inch washer anodizing or chemically treating per mil-c-5541 unjf thread series
3a thread class right-hand flush countersunk head style 0.880" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength aluminum surface treated unjf thread series
3a thread class right-hand 0.320" thread length flat countersunk head style 0.365" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.313" thread length hexagon head style 0.487" grip length 24 thread quantity per inch cadmium surface treated unf thread series