A flanged cylindrical metallic item designed to be used on tubing to back up the flared end and to provide a bearing surface for the coupling nut, thereby reducing wear on the tubing flare. The inside diameter of the flanged end is countersunk to form a seat for the flare when assembled to a mating fitting.
NSN 7035-01-521-3449
NSN 6145-01-435-8621
NSN 6320-01-362-9518
NSN 6135-00-078-9931
NSN 5910-00-409-6036
NSN 6130-01-524-7066
NSN 5930-01-279-3244
NSN 5895-00-542-7408
NSN 6240-01-115-4549
NSN 5965-01-112-5518
NSN 4140-01-600-6117
NSN 5905-01-461-4762