McMaster 7473T196 Sleeve for 3/8" Tube OD Precision Compression Fitting for Copper Tube

Use these sleeves with precision compression nuts and fittings to create a strong seal on copper tubing. Made to tighter tolerances than other sleeves, they are designed for high-precision applications. Sleeves are brass for good corrosion resistance. They are also known as ferrules. Shape Straight Type Sleeve For Use With Air, Cutting Oil, Ethyl Alcohol, Fuel Oil, Gasoline, Hydraulic Fluid, Isopropyl Alcohol, Mineral Oil, Natural Gas, Steam, Water Tube Connection   Connection Style Compression Compression Connection Type Standard Dash Size 06 For Tube   OD 3/8" Wall Thickness 0.035" Sleeve Material Brass Maximum Pressure 1,000 psi @ 72° F Maximum Vacuum Not Rated Temperature Range -40° to 350° F Length 1/4" Compatible With Parker CPI For Tube Material Copper For Tube Specifications Met ASTM B68, ASTM B75, ASTM B88 For Tube Fabrication