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 4140-01-412-3933
NSN 5925-01-227-6410
NSN 6685-01-426-1490
NSN 5996-01-190-9982
NSN 5895-01-048-2997
NSN 5935-01-101-0432
NSN 4140-01-501-5394
NSN 5930-00-481-8523
NSN 5990-00-787-7758
NSN 6105-01-549-7398
NSN 5975-01-184-5831
NSN 5999-00-876-6781