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 6685-01-557-1919
NSN 6685-01-068-4446
NSN 5945-01-218-5645
NSN 6320-01-576-6310
NSN 5930-00-735-4252
NSN 6320-01-513-9166
NSN 5998-01-020-8826
NSN 6650-01-468-3167
NSN 5960-01-460-0115
NSN 6135-00-919-1117
NSN 5985-01-227-3117
NSN 5905-01-254-4349