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 5915-00-614-6173
NSN 5915-01-390-5482
NSN 6135-01-086-8167
NSN 5999-00-146-1247
NSN 5965-00-421-9007
NSN 6650-01-368-9673
NSN 6220-01-203-4559
NSN 5930-01-304-2533
NSN 6620-00-894-7352
NSN 5905-00-935-6954
NSN 6220-00-492-1775
NSN 5999-01-187-9423