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 5945-00-365-9953
NSN 6150-00-067-5244
NSN 4140-01-592-3151
NSN 5910-00-751-9581
NSN 5990-00-828-1771
NSN 6645-01-370-7380
NSN 5920-00-371-1191
NSN 6130-01-442-4091
NSN 5935-00-422-0328
NSN 6650-00-009-1427
NSN 6620-01-382-4744
NSN 5935-01-628-6225