30 CFR 36.24
§ 36.24 Engine joints.
United States · 30 CFR — Mineral Resources · Status: effective
Cite this
- Citation
- 30 CFR 36.24, § 36.24 Engine joints, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/131981
- Permanent ID
ys:prov:131981@1- SHA-256
910abce98e52fbb270c2a3c0c913c8fb1c81f27ab719a19699d34ecaf6478bd9
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
(a) Cylinder head. The joint between the cylinder head and block of the engine shall be fitted with a metal or metal-clad gasket satisfactory to MSHA held securely in position by through bolts or other suitable means to prevent a change in alignment. This joint shall provide an adequate flame barrier with the gasket in place.
(b) Valve guides. Valve guides shall be long enough to form an adequate flame barrier along the valve stem.
(c) Gaskets. All metal or metal-clad gaskets shall maintain their tightness during repeated explosions within the engine and its intake and exhaust systems to prevent the propagation of flame.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.