46 CFR § 53.05-3
Materials (modifies HG-401.2)
April 15, 2021
Materials for valves must be in accordance with HG-401.2 of section IV of the ASME Boiler and Pressure Vessel Code (incorporated by reference; see 46 CFR 53.01-1) except that nonmetallic materials may be used only for gaskets and packing.
[USCG-2003-16630, 73 FR 65164, Oct. 31, 2008]