2a thread class right-hand 0.310" thread length hexagon head style 32 thread quantity per inch 0.090 in. thd relief passivate surface treated unc thread series
2a thread class right-hand 0.478" thread length flat chamfer head style 24 thread quantity per inch groove between shoulder passivate surface treated unc thread series
3a thread class right-hand 0.625" thread length flat chamfer head style 14 thread quantity per inch navy special project w/0.188 in. dia tapped hole through head unc thread series
3a thread class right-hand 0.349" thread length fillister head style 20 thread quantity per inch contains positive locking device of spring loaded balls, release is by plunger in head of bolt unf thread series
Used on kidd class ddg; gun, 5-in./54 cal, mk-42 & 45; wasp class lhd; fms build frigates class ships; ticonderoga class cg (47); spruance class dd (963); arleigh burke class ddg. 3a thread class right-hand 0.284" thread length fillister head style 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.167" thread length flat chamfer head style 0.062" hole diameter 18 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.234" thread length flat chamfer head style 24 thread quantity per inch both ends chamfered 1/32 in. by 45 deg passivate surface treated unc thread series
2a thread class right-hand 0.162" thread length flat chamfer head style 56 thread quantity per inch navy special project passivate surface treated unc thread series
2a thread class right-hand 0.291" thread length flat countersunk head style 32 thread quantity per inch top of head red cadmium surface treated unf thread series
3a thread class right-hand 0.442" thread length flat countersunk head style 28 thread quantity per inch furnish with one o-ring 7M80 cadmium surface treated unf thread series