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 4140-01-056-4453
NSN 5965-01-505-8639
NSN 5855-00-106-1640
NSN 5930-00-281-4686
NSN 6105-01-146-3543
NSN 5855-01-568-7772
NSN 5998-01-220-2253
NSN 5910-00-287-3258
NSN 5999-00-378-0039
NSN 6110-01-045-2035
NSN 6135-00-958-7981
NSN 6220-01-245-0310