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 5905-00-286-8564
NSN 5920-00-962-3567
NSN 5945-00-567-5240
NSN 6240-00-140-4184
NSN 6105-01-470-9693
NSN 5985-00-487-0827
NSN 6150-01-406-6820
NSN 5960-01-553-4557
NSN 5985-00-288-1861
NSN 5965-01-046-9619
NSN 6150-01-115-4548
NSN 6645-01-461-3725