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 5920-01-249-4544
NSN 5905-01-043-1852
NSN 6150-00-723-4618
NSN 6135-00-334-4500
NSN 6150-01-626-6442
NSN 6645-00-832-1609
NSN 6645-01-281-7254
NSN 5915-01-155-8717
NSN 6130-01-100-4452
NSN 5855-01-312-5160
NSN 5915-01-325-4674
NSN 6150-00-296-2361