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 6645-01-232-4843
NSN 5905-00-316-8852
NSN 5985-00-199-8997
NSN 5905-00-035-8981
NSN 5910-01-398-0507
NSN 5998-00-557-2832
NSN 5999-01-139-0781
NSN 5835-01-205-3089
NSN 6240-00-167-2467
NSN 6150-01-633-5190
NSN 4140-01-229-2742
NSN 6145-01-353-9645