3a thread class right-hand 0.678" thread length hexagon head style 0.043" hole diameter 28 thread quantity per inch silver surface treated unjf thread series
3a thread class right-hand flush countersunk head style 2.240" grip length 24 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.990" grip length 24 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.927" grip length 20 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.438" grip length ns" letters after the material code "b" indicate no preference to lock type (may be visible or internal) . rivets with no letter code (indicating visible lock type) cadmium stem surface treated
3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.125" grip length 32 thread quantity per inch furnished without bolt unc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.188" grip length may be slosh cleaned with mil-c-38736 cleaner before installation passivate sleeve or cadmium sleeve surface treated
2a thread class right-hand 0.188" thread length flat countersunk head style 32 thread quantity per inch passivate fastener surface treated unc thread series
universal head style 0.126" grip length may be slosh cleaned with mil-c-38736 cleaner before installation anodize stem or chromate stem surface treated
