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 5935-01-172-5847
NSN 5925-00-533-1547
NSN 6110-01-417-1575
NSN 6145-01-316-2520
NSN 5990-01-211-6136
NSN 5915-01-331-8695
NSN 5985-00-789-1961
NSN 5855-01-366-2429
NSN 5945-00-430-2603
NSN 6610-00-015-9383
NSN 6645-01-388-9648
NSN 6610-01-648-4460