Vulcan 20-30 60 Fits Keating, Star

1980 Series Snap Fit 60" Thermocouple, 20-30 Mv Coaxial Thermocouple Threads = 11/32"-32. Keating Star Vulcan Thermocouple Test Adaptor, N107, # 721003 Thermocouple Adaptor For Closed Circuit Test Of Thermocouples Using A Suitable Millivolt Test Meter. Analog Multi-Tester Meter N112, # 721008