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 5935-01-301-2513
NSN 6150-01-541-1555
NSN 6650-00-205-6282
NSN 7035-00-679-9027
NSN 5925-01-578-8889
NSN 5945-01-494-3745
NSN 6145-00-596-8447
NSN 5935-01-644-3373
NSN 5965-00-999-4334
NSN 5905-01-571-5135
NSN 5925-01-605-3888
NSN 5835-01-398-3859