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 5855-01-540-4797
NSN 5999-00-189-1716
NSN 5905-00-916-4110
NSN 6240-00-258-2389
NSN 6650-01-417-4277
NSN 5915-00-739-7331
NSN 6620-00-399-0087
NSN 6220-00-937-1321
NSN 5895-00-147-0042
NSN 6145-01-094-8150
NSN 5990-01-531-5962
NSN 5925-01-175-8204