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 5920-00-519-8118
NSN 6620-00-452-5738
NSN 5920-00-788-2322
NSN 6645-01-589-8406
NSN 5960-00-114-4916
NSN 4140-01-626-7993
NSN 6685-01-278-0150
NSN 6145-01-606-2172
NSN 5990-00-969-5719
NSN 5996-00-683-5176
NSN 5985-00-534-9620
NSN 6650-00-800-4092