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 6220-01-524-4759
NSN 4140-00-182-9158
NSN 5895-00-646-8448
NSN 5855-01-468-4996
NSN 5998-01-455-5918
NSN 6685-01-487-4209
NSN 6130-01-170-3721
NSN 6685-00-293-5262
NSN 5920-00-840-5428
NSN 5930-00-266-8175
NSN 4140-00-234-8524
NSN 5910-01-269-0781