Used on DOOR. 2a thread class right-hand hexagon head style 12 thread quantity per inch navy special project used on weapons elevator, lower stage, of cva 67 aircraft carrier unc thread series
Used on DOOR. 2a thread class right-hand hexagon head style 18 thread quantity per inch navy special project used on weapons elevator door, lower stage, of aircraft carrier cva 67 unc thread series
Used on ballistic hatch. 2a thread class right-hand hexagon head style 13 thread quantity per inch part of cva 67 aircraft carrier, weapons elevator unc thread series
Used on ballistic hatch. 2a thread class right-hand hexagon head style 11 thread quantity per inch used on weapons elevator, dog mechanism, aircraft carrier cva 67 zinc surface treated unc thread series
