TEST LOOP BACK PLUG/For use with C406- N series ELT's. 151-5060C406- (N) Series Test Loop Back PlugThe 151-5060 test loop back plug is used for testing the C406 series ELT's from Artex.Product CodesMfr Part No:151-5060ECCN:7b994SCHEDULE B CODE:8529.90.4740..