46 C.F.R. § 32.20-10
Flame arresters—TB/ALL
Flame arresters must be of a type and size suitable for the purpose intended and meet ASTM F 1273 (incorporated by reference, see § 32.01-1).
Flame arresters must be of a type and size suitable for the purpose intended and meet ASTM F 1273 (incorporated by reference, see § 32.01-1).