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 5835-01-449-7511
NSN 5910-00-602-9662
NSN 5945-00-180-5261
NSN 5965-01-542-3102
NSN 5855-01-130-1501
NSN 5996-01-268-1625
NSN 5999-01-444-1791
NSN 6220-01-130-7871
NSN 6135-00-134-6648
NSN 5999-00-102-0352
NSN 5960-00-074-8968
NSN 6645-00-068-3536