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 4140-01-177-1445
NSN 6145-01-062-6918
NSN 5945-01-209-4547
NSN 6110-00-734-4692
NSN 5925-01-534-8060
NSN 5835-00-632-8621
NSN 5930-01-515-2353
NSN 6145-01-501-3489
NSN 5999-00-626-7531
NSN 5935-01-197-8448
NSN 6650-01-424-8048
NSN 5990-01-609-4793