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 5998-01-415-3592
NSN 6650-01-641-4153
NSN 6130-01-495-1168
NSN 6105-00-263-6385
NSN 6645-01-308-5729
NSN 5960-01-080-8451
NSN 5925-00-706-9975
NSN 5915-00-083-3013
NSN 5895-01-215-7438
NSN 6650-00-717-8913
NSN 5996-01-580-1975
NSN 2925-00-159-9003