flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style coated with sealing compound e-776sr mil-s-4383 anodize or oxide film surface treated
3a thread class right-hand 0.750" thread length flat countersunk head style 24 thread quantity per inch navy special project cadmium screw surface treated unf thread series
2a thread class right-hand 0.312" thread length fillister head style 40 thread quantity per inch oxide screw surface treated color no. 37038 of fed std no. 595 per mil-f-18264 on head unc thread series
2a thread class right-hand 0.388" thread length pan head style 40 thread quantity per inch oxide screw surface treated color no. 37038 of fed std 595 per mil-f-18264 on head unc thread series
3a thread class right-hand 0.315" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.097" thread length flat countersunk head style 90 thread quantity per inch navy special project cadmium screw surface treated unjf thread series
2a thread class right-hand 0.251" thread length pan head style 32 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.620" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated thread undercut 0.250 in. from head, 0.200 in. lg, 0.077 in. min 0.087 in. max dia unc thread series
3a thread class right-hand 0.252" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series
2a thread class right-hand 0.312" thread length fillister head style 32 thread quantity per inch cadmium or chromium screw surface treated unf thread series
3a thread class right-hand 0.278" thread length hexagon head style 0.827" grip length 32 thread quantity per inch passivate surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.080" grip length anodize sleeve or chromate sleeve surface treated
right-hand 0.750" thread length hexagon extended washer head style 24 thread quantity per inch navy special project passivate surface treated concentric hole unthreaded unf thread series
3a thread class right-hand 0.291" thread length dished hexagon head style 2.678" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.375" thread length dished hexagon head style 4.062" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.375" thread length dished hexagon head style 4.187" grip length 24 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.366" thread length dished hexagon head style 2.553" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.316" thread length dished hexagon head style 2.187" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.291" thread length dished hexagon head style 2.053" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
