flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.126" 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
3a thread class right-hand 0.386" thread length flat countersunk head style 1.115" grip length 28 thread quantity per inch navy special project cadmium or cadmium surface treated unjf thread series
3a thread class right-hand 0.386" thread length flat countersunk head style 1.302" grip length 28 thread quantity per inch navy special project cadmium or cadmium surface treated unjf thread series
3a thread class right-hand 0.444" thread length flat countersunk head style 0.490" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.563" thread length oval countersunk head style 32 thread quantity per inch chromium screw surface treated unc thread series
3a thread class right-hand 0.310" thread length fillister head style 32 thread quantity per inch supplied with aluminum grommet passivate surface treated unf thread series
right-hand nut thread 0.255" nut thread thread length 0.890" overall length 32 nut thread thread quantity per inch hex socket 0.170 in. max fm nut end uns stud thread thread series
3a thread class right-hand 0.291" thread length flat countersunk head style 0.678" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.505" thread length flat countersunk undercut head style 0.928" grip length 24 thread quantity per inch furnish with one o ring unjf thread series
3a thread class right-hand 0.444" thread length fillister countersunk head style 0.115" grip length 28 thread quantity per inch aluminum surface treated unjf thread series
2a thread class right-hand 0.698" thread length hexagon head style 0.060" hole diameter 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 1.210" thread length flat chamfer head style 0.044" hole diameter 20 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 1.218" thread length spline drive shear head head style 3.375" grip length 12 thread quantity per inch navy special project unjf thread series
3a thread class right-hand 0.320" thread length dished hexagon head style 1.240" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.553" thread length hexagon head style 0.928" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.858" thread length hexagon head style 0.060" hole diameter 24 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 0.345" thread length hexagon head style 0.070" hole diameter 28 thread quantity per inch cadmium surface treated unjf thread series
