The most reasonably priced component used on the Nu50 Urban Express 1982 (c) Usa Carburetor is the Screw-wash.,4x12.
A sample from the products for the Carburetor include: Packing Set, Screw Set B, Tube 4, Gasket Set.
With all the components that make up the NU50 URBAN EXPRESS 1982 (C) USA CARBURETOR assembly. The Screw-wash.,4x12 is the most frequently specified with two applications.