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 6620-01-607-5738
NSN 6150-00-158-5620
NSN 5975-01-145-5355
NSN 6105-01-535-3072
NSN 6220-01-437-1427
NSN 5998-00-086-7256
NSN 6130-00-760-5929
NSN 5960-00-267-1635
NSN 6610-01-618-7038
NSN 5935-01-373-4070
NSN 5975-01-375-4808
NSN 6620-00-498-4190