An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.
NSN 5990-01-038-5020
NSN 5998-01-392-0627
NSN 4140-00-684-7213
NSN 6320-01-343-2482
NSN 6220-00-383-9402
NSN 5999-01-100-0921
NSN 5975-01-325-5094
NSN 5950-01-581-6612
NSN 5998-00-305-4087
NSN 6145-01-003-9741
NSN 6320-00-731-6134
NSN 4140-00-643-3744