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 5990-01-591-0701
NSN 5990-01-038-5020
NSN 5905-01-138-9522
NSN 5855-00-014-5008
NSN 6110-01-534-6252
NSN 6110-00-867-6860
NSN 5950-01-583-3026
NSN 5998-01-647-4888
NSN 6610-01-221-2606
NSN 6610-01-264-4888
NSN 6135-00-248-4102
NSN 5920-00-584-4592