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 5895-00-539-6590
NSN 5915-01-600-1058
NSN 5975-00-844-5075
NSN 6130-00-063-3891
NSN 5920-01-006-9821
NSN 6650-01-287-7960
NSN 5930-01-432-8781
NSN 5950-01-396-9441
NSN 6320-00-299-3090
NSN 5855-01-587-4938
NSN 6650-01-173-1952
NSN 6110-01-141-7745