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 6645-01-424-4667
NSN 6620-00-247-7427
NSN 5996-01-369-9209
NSN 5905-01-428-4457
NSN 5930-01-121-2162
NSN 5905-00-207-3946
NSN 6320-00-593-0379
NSN 6610-01-605-2451
NSN 6105-00-740-7757
NSN 6220-01-547-6285
NSN 6150-01-425-1947
NSN 6610-01-295-6327