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 5996-01-305-8812
NSN 6650-01-577-8958
NSN 6105-00-412-2058
NSN 4140-01-233-2112
NSN 5915-01-646-6233
NSN 5925-00-928-8261
NSN 6645-01-417-3542
NSN 6105-00-655-0893
NSN 6320-00-646-3311
NSN 6650-01-154-1870
NSN 5920-01-191-9847
NSN 6130-00-266-7496