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 5945-01-123-9481
NSN 6620-00-246-5159
NSN 5965-01-135-3679
NSN 6645-01-113-8979
NSN 2925-01-547-4565
NSN 5985-01-208-4237
NSN 5915-00-298-1969
NSN 6220-00-539-0095
NSN 6135-01-365-2707
NSN 6610-01-035-1252
NSN 5975-01-634-0678
NSN 6320-01-493-3530