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 6240-01-600-2774
NSN 6135-01-142-2417
NSN 5895-00-454-4265
NSN 5935-00-300-2577
NSN 6620-00-239-6153
NSN 5999-00-273-9477
NSN 6610-00-751-7916
NSN 6320-01-600-0787
NSN 6220-01-449-8551
NSN 6240-01-413-0734
NSN 5920-00-357-0260
NSN 6110-00-244-0427