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 5915-00-226-6863
NSN 5990-00-594-7291
NSN 4140-01-576-4014
NSN 5999-00-369-4191
NSN 6610-01-144-4228
NSN 5910-01-463-1486
NSN 5999-00-145-7783
NSN 5855-00-906-5386
NSN 6240-00-824-4678
NSN 6620-01-173-3284
NSN 5905-01-108-7210
NSN 6620-01-423-2612