[Code of Federal Regulations] [Title 46, Volume 2] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR56.25-7] [Page 185] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 56_PIPING SYSTEMS AND APPURTENANCES--Table of Contents Subpart 56.25_Pipe Flanges, Blanks, Flange Facings, Gaskets, and Bolting Sec. 56.25-7 Blanks. (a) Blanks shall conform to the design requirements of 104.5.3 of ANSI-B31.1. [CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by CGFR 69-127, 35 FR 9978, June 17, 1970]