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 6645-01-435-8356
NSN 6620-00-707-4195
NSN 5975-01-253-3999
NSN 6610-00-111-3648
NSN 5895-01-385-3699
NSN 5985-01-289-8436
NSN 5999-01-173-4853
NSN 6650-01-266-8762
NSN 5910-00-189-9158
NSN 5905-01-322-7542
NSN 5910-00-153-1962
NSN 5855-01-144-0423