Part Number: 10904969 (Lead) Part Number: 10904970 (Hardware) Part Number: 10904973 (Hardware) Part Number: 10904974 (Component) Part Number: 1090498J4 (Resistor) Part Number: 1090498Z4 (Resistor) Part Number: 10904990 (Guard) Part Number: 10904996 (Hardware) Part Number: 10904997 (Hardware) Part Number: 10904998 (Packing,preformed) Part Number: 1090499K4 (Resistor) Part Number: 109-049C (Ne) Part Number: 10904B02M02 (Data concentrator unit-ametek ae) Part Number: 10904LUP (Seal, plain encased)