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 6650-01-553-1853
NSN 5910-00-617-6804
NSN 2925-01-224-1885
NSN 5905-01-340-1088
NSN 6105-00-890-3002
NSN 6620-01-528-7510
NSN 5975-01-533-5077
NSN 5855-01-177-4183
NSN 6240-00-084-0176
NSN 5895-01-310-9033
NSN 5945-00-282-3181
NSN 6650-00-007-4372