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 5975-01-057-8386
NSN 4140-01-003-2501
NSN 5920-01-295-6619
NSN 5990-01-473-4314
NSN 5975-01-592-9077
NSN 5925-00-124-5015
NSN 6110-01-485-3312
NSN 5910-01-604-9141
NSN 6645-00-300-0401
NSN 6620-01-534-7180
NSN 6320-01-129-9656
NSN 6645-01-133-4440