CFR›Title 46›Chapter I›Part 164›Subpart 164.137 ContainsSections 164.137-1–164.137-4CorpusDaily eCFRDisplayed edition2026-06-05Last updated2026-06-05 Subpart 164.137—Windows Sections 164.137-1 § 164.137-1 Scope. 164.137-2 § 164.137-2 Incorporation by reference. 164.137-3 § 164.137-3 Testing, marking, and inspection requirements. 164.137-4 § 164.137-4 Approval procedures. SourceUSCG-2012-0196, 81 FR 48287, July 22, 2016, unless otherwise noted. Previous 164.136 Subpart 164.136—Fire Doors Next 164.138 Subpart 164.138—Fire Stops (Penetration Seals)