2a thread class right-hand 0.438" thread length pan head style 40 thread quantity per inch passivate screw surface treated head painted lusterless gray color no. 36231, fed-std-595 unc thread series
2a thread class right-hand 0.375" thread length pan head style 40 thread quantity per inch passivate screw surface treated head painted lusterless gray color no. 36231, fed-std-595 unc thread series
3a thread class right-hand 0.375" thread length hexagon head style 0.125" grip length 24 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 1.000" thread length hexagon head style 18 thread quantity per inch projection on top of head 1.150 in. nom lg x 0.996 in. min 1.000 in. max dia passivate surface treated unf thread series
3a thread class right-hand 0.569" thread length pan no. 2 head style 0.428" grip length 24 thread quantity per inch navy special project unjf thread series
Used on sturgeon class ssn (637); combat system support equipment. 3a thread class right-hand fillister head style 16 thread quantity per inch unc thread series
2a thread class right-hand 0.836" thread length hexagon head style 16 thread quantity per inch drilled hole in threaded end 0.166 in. dia, 0.270 ins hole center to end of fastener, used for insertion of nylon pellet unc thread series
3a thread class right-hand 0.501" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
