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 6610-00-454-6635
NSN 6620-01-529-1147
NSN 5998-00-196-1407
NSN 5915-00-716-1821
NSN 5855-01-511-0995
NSN 5999-01-278-9377
NSN 5855-01-550-3715
NSN 5910-01-646-8050
NSN 5998-01-318-3801
NSN 5975-01-492-6399
NSN 6650-01-493-6638
NSN 5855-00-149-0766