The most reasonably priced component used on the G3ssa 1971 Usa Canada Carburetor ('69-'73) is the Nut,6mm.
A sample from the products for the Carburetor ('69-'73) include: Washer-valve Seat, Washer-main Jet, Nut,6mm, Cap-mixing Chamber.
With four applications this Screw-float Chamber is the most specified part.