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 5915-00-449-1454
NSN 6105-00-422-4098
NSN 6110-00-869-1554
NSN 4140-01-421-4045
NSN 5990-01-532-0670
NSN 6150-01-354-1335
NSN 5960-00-185-9974
NSN 7035-01-150-6303
NSN 5835-01-416-6449
NSN 5855-00-079-2370
NSN 5905-01-282-2435
NSN 5895-00-339-3014