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 5920-00-149-1469
NSN 6135-01-523-3198
NSN 6135-00-223-9563
NSN 5910-00-924-5693
NSN 5996-00-583-9498
NSN 6685-00-321-3634
NSN 5999-01-245-8500
NSN 6220-01-401-5337
NSN 5990-00-140-4559
NSN 5905-01-168-6903
NSN 5905-01-576-9740
NSN 5925-01-444-3557