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 5945-01-540-3054
NSN 4140-01-477-3057
NSN 5905-00-542-6471
NSN 6135-01-502-5787
NSN 5990-00-057-2795
NSN 6650-01-056-0980
NSN 5945-01-492-6697
NSN 5990-01-063-2532
NSN 5999-01-544-2891
NSN 6620-01-326-4451
NSN 5996-01-344-2160
NSN 5990-00-466-2952