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 4140-01-236-2930
NSN 5895-01-131-9438
NSN 6135-01-350-1715
NSN 6220-01-418-6050
NSN 5965-01-127-0389
NSN 6240-00-350-9508
NSN 6150-01-174-5568
NSN 6105-01-495-0623
NSN 5835-01-399-5820
NSN 5996-01-504-4270
NSN 6685-01-426-7958
NSN 7035-00-155-9513