85471040

HS code 8547.10.40.00 (Chapter 85 "Electrical machinery; electronics"; Heading 8547 "Insulating fittings for electrical machines, appliances or equipment, being fittings wholly of insulating material apart from any minor components of metal (for example, threaded sockets) incorporated during moulding solely for the purposes of assembly, other than insulators of heading 8546; electrical conduit tubing and joints therefor, of base metal lined with insulating material"; Subheading 854710 "- Insulating fittings of ceramics") under the United States tariff schedule classifies "Ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion engines". United States customs apply MFN rate of 3%, Column 2 rate 60%. Statutory unit of measure: No.. 17 free trade agreement preferential rates are available for this code.