{"data":{"id":"us/33-cfr-183.538","jurisdiction":"us","citation":"33 CFR 183.538","heading":"Metallic fuel line materials.","body":"Each metallic fuel line connecting the fuel tank with the fuel inlet connection on the engine must:\n(a) Be made of seamless annealed copper, nickel copper, or copper-nickel; and\n(b) Except for corrugated flexible fuel line, have a minimum wall thickness of 0.029 inches.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER S—BOATING SAFETY","PART 183—BOATS AND ASSOCIATED EQUIPMENT","Subpart J—Fuel Systems"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"a9fbb87d818afd3711b8d6fbad64558d2f1f8db8afa84b4b8108a610336263e3","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-183.536","next":"us/33-cfr-183.540"},"notice":"GroundRules: Original legal text. Not legal advice."}