{"data":{"id":"us/46-cfr-45.153","jurisdiction":"us","citation":"46 CFR 45.153","heading":"Through-hull piping: General.","body":"(a) All through-hull pipes required by this subpart must be made of steel or material equivalent to the hull in strength and fatigue resistance.\n(b) All valves used as shell fittings and all shell fittings on which such valves are mounted must be made of steel, or bronze or other ductile material approved by the Commandant.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER E—LOAD LINES","PART 45—GREAT LAKES LOAD LINES","Subpart D—Conditions of Assignment"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"2141640aa4431e21338bcd3258e58abe0579593a9958173203959644aa2da068","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-45.151","next":"us/46-cfr-45.155"},"notice":"GroundRules: Original legal text. Not legal advice."}