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 5950-01-649-1289
NSN 7035-01-533-3916
NSN 5990-01-544-0364
NSN 4140-01-219-4754
NSN 6145-00-470-1606
NSN 7035-01-146-1578
NSN 5999-01-352-6764
NSN 6610-01-389-3082
NSN 6650-00-897-4156
NSN 6645-01-396-6976
NSN 6610-00-492-1508
NSN 5920-00-118-8239