Cap, Application Fuel Oil, Gases, Compatible Pipe Size 1 1/2 in, Fitting Connection Type Press Fit, Fitting Material Carbon Steel, O-Ring Material HNBR, Specific Fitting Shape Cap, Overall Length 3 1/16 in, Includes Center Stop No Center Stop, Finish/Coating Zinc Nickel-Plated, Compatible Copper Tube Type Not Applicable, Compatible Pipe Material Carbon Steel, Includes Pre-Applied Thread Sealant Yes, Resistance Properties Corrosion-