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 6610-00-421-9853
NSN 6130-00-249-1181
NSN 6645-00-030-8030
NSN 6620-01-421-3917
NSN 6145-01-124-0035
NSN 5999-00-223-7147
NSN 6610-01-562-9967
NSN 5996-01-179-5038
NSN 5965-01-252-8701
NSN 6320-01-295-9992
NSN 5965-01-533-7687
NSN 5999-01-323-7113