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 5935-01-634-0668
NSN 5998-01-322-5957
NSN 6620-01-441-7896
NSN 6320-01-476-7476
NSN 6105-01-287-5133
NSN 5999-01-193-5374
NSN 7035-01-536-8236
NSN 5945-00-752-5929
NSN 6650-00-075-4983
NSN 6130-01-159-7884
NSN 6610-00-070-4535
NSN 6620-01-444-7053