3a thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.140" grip length 40 thread quantity per inch used on pratt & whitney engines &comp, tf-30/expander silver plated silver expander surface treated unjc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.073" grip length 1390 single pounds per square inch shear strength lock ring nickel-copper alloy qq-n-281 anodize sleeve or chromate sleeve surface treated
3a thread class right-hand 1.052" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 3.438" thread length crowned hexagon head style 0.031" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.360" thread length hexagon head style 1.494" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.469" thread length hexagon head style 1.500" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.344" thread length hexagon head style 1.500" grip length 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.490" thread length double hexagon w/hole head style 28 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.250" thread length fillister head style 0.037" hole diameter 40 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.297" thread length round extended washer head style 32 thread quantity per inch cadmium screw surface treated unf thread series
