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 5990-01-462-1617
NSN 5905-01-554-2740
NSN 5915-01-487-1639
NSN 6220-00-560-4012
NSN 6610-01-608-2899
NSN 6145-00-089-6570
NSN 5945-01-110-4107
NSN 6105-01-196-5444
NSN 5915-01-629-9166
NSN 5925-01-270-6185
NSN 6135-01-286-9563
NSN 4140-00-191-1236