46 CFR § 32.20-10
Flame arresters—TB/ALL
April 15, 2021
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).
[CGD 88-032, 56 FR 35821, July 29, 1991, as amended by USCG-2000-7790, 65 FR 58459, Sept. 29, 2000]