The Vulcan Hart 00-719951-00052 Gas Griddle Orifice is a brass-hooded gas metering component used within compatible commercial griddle burner assemblies. Its #52 opening controls the fuel passage leading to the burner, while the 3/8"-27 connection provides the specified threaded fit within the gas assembly. The 1/2" height matches the listed component dimensions. Positioned before the... https://partsfe.com/orifice-52-for-vulcan-part-00-719951-00052