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 5920-00-983-8888
NSN 5935-01-389-8889
NSN 5915-00-141-0410
NSN 5920-01-204-0449
NSN 6320-00-343-1798
NSN 6105-00-807-8986
NSN 5935-00-862-3306
NSN 6220-01-449-7223
NSN 6320-01-374-8037
NSN 5920-01-513-9934
NSN 5925-00-475-2648
NSN 5999-01-541-5219