46 CFR 56.90-5
§ 56.90-5 Bolting procedure.
United States · 46 CFR — Shipping · Status: effective
Cite this
- Citation
- 46 CFR 56.90-5, § 56.90-5 Bolting procedure, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/225155
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Full text
(a) All flanged joints must be fitted up so that the gasket contact faces bear uniformly on the gasket and then must be made up with relatively uniform bolt stress.
(b) When bolting gasketed flanged joints, the gasket must be properly compressed in accordance with the design principles applicable to the type of gasket used.
(c) Steel to cast iron flanged joints shall be assembled with care to prevent damage to the cast iron flange in accordance with § 56.25-10.
(d) All bolts must be engaged so that there is visible evidence of complete threading through the nut or threaded attachment.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.