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 5930-01-077-8478
NSN 6240-01-633-9357
NSN 6105-01-359-3886
NSN 5996-00-166-0037
NSN 6220-01-370-2547
NSN 6145-01-544-1890
NSN 5965-01-501-5638
NSN 6240-00-398-0740
NSN 5905-00-290-8098
NSN 5999-00-354-4613
NSN 5998-00-955-1738
NSN 5945-00-338-3733