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 6240-01-011-2267
NSN 6150-01-236-9066
NSN 5935-01-176-3610
NSN 6105-01-550-4822
NSN 6110-01-030-9457
NSN 6150-01-230-5388
NSN 6105-01-093-0102
NSN 5999-01-183-9530
NSN 5930-00-200-4426
NSN 5855-00-135-9064
NSN 6685-00-023-5933
NSN 5895-01-476-9056