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 6240-01-602-0625
NSN 5920-01-264-9964
NSN 5999-01-225-2561
NSN 6145-01-470-0555
NSN 5998-01-377-5288
NSN 5910-01-277-0742
NSN 6130-01-367-2869
NSN 6620-01-497-3744
NSN 5950-01-168-8782
NSN 7035-01-123-8723
NSN 6240-00-959-4952
NSN 6240-01-017-1049