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 5998-01-067-7671
NSN 6130-01-514-5455
NSN 5925-01-156-4426
NSN 6320-01-415-0953
NSN 5835-01-541-9991
NSN 6220-01-414-8926
NSN 6620-01-441-7896
NSN 5915-01-513-0447
NSN 5920-01-585-8112
NSN 5998-01-482-8426
NSN 6150-00-276-7483
NSN 2925-01-251-9529