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 5999-01-463-9039
NSN 6620-01-648-1594
NSN 5910-01-588-0767
NSN 6130-01-634-0603
NSN 5915-01-124-5422
NSN 5935-00-506-6330
NSN 5990-01-499-6930
NSN 5930-01-417-2181
NSN 6650-01-211-2673
NSN 5998-01-373-5269
NSN 5935-01-312-6526
NSN 5855-01-607-6521