2a thread class right-hand 0.750" thread length hexagon head style 0.750" grip length 20 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 1.260" thread length hexagon extended washer head style 20 thread quantity per inch phosphate surface treated unf thread series
3a thread class right-hand 1.260" thread length hexagon extended washer head style 20 thread quantity per inch phosphate surface treated unf thread series
3a thread class right-hand 1.343" thread length hexagon head style 0.609" grip length 12 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 1.343" thread length hexagon head style 7.109" grip length 12 thread quantity per inch passivate surface treated unf thread series
Used on kidd class ddg, ticonderoga class cg (47), supply class aoe, spruance class dd (963), arleigh burke class ddg.. 3a thread class right-hand 0.344" thread length hexagon head style 20 thread quantity per inch passivate fastener surface treated unc thread series