The sub assemblies and components that make up this Signal Generator include this Ignitor Assy, the most expensive part.
In this schematic the "Screw" is used most often.
Parts such as the Signal Generator: Screw, Clamp(l:45), Screw, Screw(5x12) are included in the Gs500esk 1995 (s) Brazil (e37) Signal Generator parts fiche.