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 6240-01-495-1912
NSN 6135-01-575-8362
NSN 5975-00-419-9812
NSN 5996-01-251-3640
NSN 6145-00-005-6399
NSN 5996-01-336-1479
NSN 6240-01-579-1628
NSN 6620-00-224-3479
NSN 5935-00-453-2599
NSN 5920-01-316-1710
NSN 6620-00-658-6588
NSN 6220-01-208-5556