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 5905-01-411-4775
NSN 5999-01-560-0332
NSN 6110-01-168-8506
NSN 7035-01-361-4176
NSN 6130-01-519-9337
NSN 6645-00-868-1246
NSN 6150-01-058-3570
NSN 6240-01-633-9357
NSN 5950-01-432-2038
NSN 6685-01-044-6366
NSN 5990-01-065-0492
NSN 5905-00-019-2387