Part Number: 068-1630005-320 (Spacer,ring) Part Number: 0681-666-0881 (Conductivity set) Part Number: 068-16803-4 (Meter,special scale) Part Number: 068-16804-12 (Meter,special scale) Part Number: 068-16804-13 (Meter,special scale) Part Number: 068-16804-14 (Meter phaostron) Part Number: 068-16804-3 (Meter,special scale) Part Number: 0681-6D (No description) Part Number: 06817 (No description) Part Number: 06817-038 (No description) Part Number: 06817-044-FTA (No description) Part Number: 06817-046 (No description) Part Number: 06-8174 (Resistor) Part Number: 06817-521 (No description)