3a thread class right-hand 0.693" grip length 28 thread quantity per inch 125000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand 0.605" thread length flat chamfer head style 32 thread quantity per inch head vertically knurled anodize head surface treated unc thread series
3a thread class right-hand 0.877" thread length dished hexagon head style 0.365" grip length 18 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 1.054" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.514" thread length flat countersunk head style 28 thread quantity per inch navy special project passivate screw surface treated unf thread series
3a thread class right-hand 0.417" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
2a thread class right-hand 0.138" thread length pan head style 32 thread quantity per inch passivate screw surface treated head painted lusterless olive drab color no. 34087 in accordance with fed-std-595 unc thread series
universal head style 0.501" 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) chromate sleeve surface treated
2a thread class right-hand 0.121" thread length flat countersunk head style 40 thread quantity per inch passivate fastener surface treated unc thread series
3a thread class right-hand 0.270" thread length flat chamfer head style 0.037" hole diameter 40 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.353" thread length knurled no. 1 head style 32 thread quantity per inch cadmium fastener surface treated unc thread series
