3a thread class right-hand 0.438" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unjc thread series
Used on f16acft. 3a thread class right-hand 0.376" thread length flat countersunk undercut head style 32 thread quantity per inch cadmium screw surface treated locking feature k-f optional elements unjc thread series
3a thread class right-hand 2.250" thread length flat countersunk head style 32 thread quantity per inch navy special project cadmium screw surface treated unjc thread series