3a thread class right-hand flush countersunk head style 0.505" grip length 0.190 in. dia by 0.250 in. lg thd stud extending from top of head cadmium surface treated unf thread series
3a thread class right-hand flush countersunk head style 0.693" grip length 28 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.380" grip length 34500 double pounds per square inch shear strength single shear strength 156000 cadmium or nickel surface treated unjf thread series
2a thread class right-hand 0.187" thread length double chamfer head style 32 thread quantity per inch 35 pitch 90 deg diamond knurl head passivate surface treated unc thread series
3a thread class right-hand 0.868" thread length double hexagon extended washer head style 0.500" grip length 18 thread quantity per inch unjf thread series
3a thread class right-hand 0.789" thread length double hexagon w/hole head style 1.240" grip length 20 thread quantity per inch cadmium or cadmium surface treated unjf thread series
3a thread class right-hand 0.481" thread length hexagon head style 0.046" hole diameter 3.125" grip length 32 thread quantity per inch tensile strength at room temperature passivate surface treated unf thread series
Used on w/s: tarawa class lha; forrestal class cv; nimitz class cvn; wasp class lhd; mine countermeasures support (mcs) class (lph-12). 20 thread quantity per inch passivate surface treated plain unf thread series
