A sample from the products for the Contact Breaker - Advancer include: Cyln,contact, Gasket,point (nas), Cyln,contact, Breaker,contact.
In this schematic the "Screw-washer,5x12" is used most often.
Of all the components that make up this Contact Breaker - Advancer the Screw,cross,6x32 has the lowest price.