DJ Type Thermocouple Temperature Sensors for Exhaust Gas with 90° Bend Probe, 1/8” Compression Fittings & 3.3 ft Lead Cable: Amazon.com: Industrial & Scientific
Thermocouple Compression Fittings - NPT Thread
Stainless Steel Compression Fitting 1/2 NPT to 1/4 Inch Thermocouple | Evolution Sensors and Controls