3a thread class right-hand 0.405" thread length hexagon head style 1.688" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.578" thread length flat countersunk head style 4.115" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.425" thread length flat countersunk head style 3.865" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.497" thread length double hexagon head style 3.875" grip length 24 thread quantity per inch navy special project passivate surface treated unjf thread series
2a thread class right-hand 0.741" thread length hexagon head style 24 thread quantity per inch altered from 96906 MS35312-59 by addition of self-locking unf thread series
3a thread class right-hand 0.370" thread length dished hexagon head style 2.115" grip length 28 thread quantity per inch cadmium surface treated unjf thread series