CFR›Title 46›Chapter I›Part 53›Subpart 53.12 ContainsSection 53.12-1CorpusDaily eCFRDisplayed edition2026-09-01Last updated2026-09-01 Subpart 53.12—Instruments, Fittings, and Controls (Article 6) Sections 53.12-1 § 53.12-1 General (modifies HG-600 through HG-640). Previous 53.10 Subpart 53.10—Tests, Inspection, Stamping, and Reporting (Article 5)