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 5998-01-553-2381
NSN 5855-01-266-1645
NSN 5975-01-007-1571
NSN 6320-00-194-4252
NSN 5990-01-175-2597
NSN 5915-01-629-1573
NSN 6220-01-044-3378
NSN 5895-01-472-4128
NSN 7035-01-320-9820
NSN 2925-01-106-3552
NSN 5945-00-596-2665
NSN 6645-00-269-2764