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 6130-00-659-1556
NSN 4140-01-416-2798
NSN 6220-01-182-2561
NSN 5835-01-036-4951
NSN 5930-01-074-2681
NSN 5915-00-205-2615
NSN 5975-00-541-8531
NSN 6320-00-004-9158
NSN 6130-01-157-5052
NSN 4140-00-161-2586
NSN 5945-00-096-7708
NSN 6240-01-212-3529