2a thread class right-hand 0.365" thread length flat fillister head style 40 thread quantity per inch navy special project passivate screw surface treated head threaded .112-40 unjc-2b depth .180/.200 unjc thread series
2a thread class right-hand 0.450" thread length pan no. 2 head style 40 thread quantity per inch passivate screw surface treated silicone rubber o ring self sealing under head unc thread series
3a thread class right-hand 0.250" thread length flat fillister head style 40 thread quantity per inch navy special project passivate screw surface treated unjc thread series
3a thread class right-hand 1.125" thread length flat fillister head style 32 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 1.562" thread length flat fillister head style 28 thread quantity per inch navy special project passivate screw surface treated unjf thread series
jf thread class right-hand 0.4375" thread length hexagon head style 0.046" hole diameter 28 thread quantity per inch passivate screw surface treated unjf thread series