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 4140-01-388-9377
NSN 5915-01-090-0478
NSN 5895-00-107-7891
NSN 5975-00-915-0054
NSN 5965-00-997-5764
NSN 4140-01-530-0078
NSN 5945-01-401-5323
NSN 5945-01-272-9579
NSN 5950-01-463-0888
NSN 6135-01-388-8376
NSN 6220-00-001-5370
NSN 6135-00-715-4001