3a thread class right-hand 0.400" thread length hexagon head style 0.042" hole diameter 40 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.252" thread length double hexagon extended washer head style 32 thread quantity per inch silver threads surface treated unjf thread series
3a thread class right-hand 0.410" thread length distorted head head style 32 thread quantity per inch 0.040 in. dia by 0.095 in. lg terminal centered on top of head passivate surface treated unf thread series
3a thread class right-hand 0.445" thread length double hexagon w/hole head style 24 thread quantity per inch navy special project oxide surface treated unjf thread series
