Used on main prop shaft seal. 3a thread class right-hand 14.000" overall length 5 thread quantity per inch matterial also contains copper alloy unc thread series
Used on joint strs rd. 3a thread class right-hand 0.437" thread length roof head style 40 thread quantity per inch material shall be 302, 303 or 304 corrosion resisting steel unc thread series
3a thread class right-hand 0.363" thread length flat countersunk head style 0.678" grip length 32 thread quantity per inch cadmium surface treated unjf thread series