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 5996-01-421-4761
NSN 5895-01-326-0749
NSN 6130-01-109-1644
NSN 6150-00-908-0782
NSN 6610-00-829-5411
NSN 6240-01-183-5425
NSN 5925-01-156-0361
NSN 6105-01-611-2387
NSN 5998-01-390-8736
NSN 6650-01-476-3329
NSN 5960-01-328-1533
NSN 6240-01-553-3253