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 6240-00-438-6999
NSN 6135-01-148-8531
NSN 6320-01-544-6447
NSN 5985-01-080-5532
NSN 5985-01-457-5103
NSN 6610-00-477-7931
NSN 5975-01-537-0872
NSN 5950-01-116-3342
NSN 6610-01-324-7017
NSN 6150-00-737-8712
NSN 5990-01-305-8121
NSN 6150-01-650-8668