Thermocouples specs

How to find Thermocouple specs (from scratch)

When looking for a thermocouple, you need to verify some specs before you will know what kind they are looking for. 

The below questions help to find what is required:

Head material: Cast aluminum, Cast Iron,
Dimensions: Shaft diameter, Length, threading Diameter
Probe Length:
Type: J,K,S or RTD (heat range)
Wires 1: Is there a head?
Wires 2: How many wires? How long? Grounded?
Probe Material: Stainless steel, Coper,?
Media: Oil, Water,?

**Probe Only**
Type: J,K,S or RTD (heat range)
Probe Length:
Probe Material: Stainless steel, Coper,?.
Wire coat Material: Fiberglass?
How long is the lead wire:
Media: Oil, Water,?