2a thread class right-hand 30.0mm overall length 24 thread quantity per inch ferrule quantity, 2 cadmium surface treated straight type unef thread series
Used on a/f-18-dcn. 2b thread class right-hand 2.145" overall length 1.140" overall width 20 thread quantity per inch cadmium surface treated angle type unef thread series
2b thread class right-hand 2.048" overall length 1.020" overall width 20 thread quantity per inch cadmium surface treated angle type unef thread series