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 6620-01-198-4468
NSN 5998-01-348-5447
NSN 5915-01-213-6314
NSN 4140-01-415-3363
NSN 5895-01-505-0227
NSN 6150-01-398-3097
NSN 2925-01-633-4048
NSN 5925-01-099-9542
NSN 5855-01-412-5147
NSN 6105-01-132-9995
NSN 6650-00-478-5247
NSN 6650-01-419-0286