CFR›Title 46›Chapter I›Part 128 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 128—MARINE ENGINEERING: EQUIPMENT AND SYSTEMS Subparts A Subpart A—General Sections 128.110–128.130 B Subpart B—Materials and Pressure Design Sections 128.210–128.240 C Subpart C—Main and Auxiliary Machinery Sections 128.310–128.320 D Subpart D—Design Requirements for Specific Systems Sections 128.410–128.450 Authority46 U.S.C. 3306; sec. 617, Pub. L. 111-281, 124 Stat. 2905; Department of Homeland Security Delegation No. 0170.1.SourceCGD 82-004 and CGD 86-074, 62 FR 49331, Sept. 19, 1997, unless otherwise noted. Previous 127 Part 127—Construction and Arrangements Next 129 Part 129—Electrical Installations