A flanged cylindrical item having a sharp cutting surface on the inside diameter at the end opposite the flange. The cutting edge, in use, is designed to imbed in the tubing due to pressure exerted when the outside diameter of the sleeve is forced into and against an angular seat. This firmly attaches the sleeve to the tubing and the flanged end then serves as a bearing surface for the coupling nut to bring the tubing into the mating fitting.
NSN 6220-00-801-0801
NSN 5925-00-270-6005
NSN 6220-01-579-3138
NSN 6240-01-186-6448
NSN 5975-01-423-8507
NSN 5935-01-218-8226
NSN 5930-01-196-5839
NSN 4140-01-381-6816
NSN 5835-01-616-6131
NSN 5855-01-147-4785
NSN 2925-01-305-1370
NSN 6650-00-446-5908