US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 56 — PIPING SYSTEMS AND APPURTENANCESSubpart 56.25—Pipe Flanges, Blanks, Flange Facings, Gaskets, and Bolting56.25-746 C.F.R. § 56.25-7Blanks.Last amended: 2024Year: 2026Length: 26 wordsOfficial source Cite as 46 C.F.R. § 56.25-7 (2026)Each blank must conform to the design requirements of 104.5.3 of ASME B31.1 (incorporated by reference; see § 56.01-2). [USCG-2003-16630, 73 FR 65176, Oct. 31, 2008]Cross-references to the CFR56.01-2Previous46 C.F.R. § 56.25-5Next46 C.F.R. § 56.25-10