... MΩ5. Electrical continuity between shells: W class ≤ 2.5 mΩ, F class ≤ 1.0 mΩ, K class ≤ 5.0 mΩ6. Shell: ... stainless steel or copper-alloy7. Plating: W class: Olive green cadmium plating K class: Stainless steel passivated F class: Electroless nickel plating8. Insulator: Thermo ... #, 111N 10#, 111N 8#, 111N15. Operating temperature: W class: -65 oC ~ +175 oC K, F class: -65 oC ~ +200 oC16. Salt spray: ...