2a thread class right-hand 0.393" thread length pan head style 32 thread quantity per inch navy special project cadmium surface treated unc thread series
2a thread class right-hand 0.538" thread length hexagon head style 28 thread quantity per inch w/header point cadmium or zinc surface treated unf thread series
2a thread class right-hand 0.636" thread length hexagon head style 24 thread quantity per inch w/header point cadmium or zinc surface treated unf thread series
2a thread class right-hand 0.886" thread length hexagon head style 24 thread quantity per inch w/header point cadmium or zinc surface treated unf thread series
Used on w/s:helicopter, sea knight h-46; aircraft, orion p-3. 2a thread class right-hand 0.196" thread length fillister head style 56 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.845" thread length pan head style 32 thread quantity per inch navy special project cadmium surface treated unc thread series