§ 18.27. Gaskets.
64 words·~1 min read·
/us/cfr/t30/s§ 18.27·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
A gasket(s) shall not be used between any two surfaces forming a flame-arresting path except as follows:
(a)A gasket of lead, elastomer, or equivalent will be acceptable provided the gasket does not interfere with an acceptable metal-to-metal joint.
(b)A lead gasket(s) or equivalent will be acceptable between glass and a hard metal to form all or a part of a flame-arresting path.