The part number given is CAP CER 1000PF 500V C0G/NP0 1210. This corresponds to a ceramic capacitor with a capacitance of 1000 pF and a voltage rating of 500 volts, classified as C0G or NP0, which refers to its temperature stability characteristics. It has a metric case size of 3225, equivalent to the standard 1210 case in inches.