46 C.F.R. § 119.720
Nonmetallic piping materials
Nonmetallic piping materials, including nonmetallic flexible hose assemblies, must meet the requirements of § 56.60-25 in subchapter F of this chapter.
Nonmetallic piping materials, including nonmetallic flexible hose assemblies, must meet the requirements of § 56.60-25 in subchapter F of this chapter.