2a thread class right-hand 0.760" thread length hexagon extended washer head style 24 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 0.277" thread length crowned hexagon head style 6.062" grip length 28 thread quantity per inch navy special project retaining balls in shank cadmium surface treated unjf thread series
3a thread class right-hand 0.277" thread length crowned hexagon head style 4.750" grip length 28 thread quantity per inch navy special project retaining element in shank cadmium surface treated unjf thread series
3a thread class right-hand 0.277" thread length crowned hexagon head style 4.312" grip length 28 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.251" thread length flat chamfer head style 3.938" grip length 32 thread quantity per inch cadmium surface treated unjc thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
2a thread class right-hand 0.140" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.298" thread length dished hexagon head style 0.302" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.625" thread length flat chamfer head style 24 thread quantity per inch item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel. unf thread series
