49 CFR 230.38
§ 230.38 Telltale holes.
United States · 49 CFR — Transportation · Status: effective
Cite this
- Citation
- 49 CFR 230.38, § 230.38 Telltale holes, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/258649
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Full text
(a) Staybolts less than 8 inches long. All staybolts shorter than 8 inches, except flexible bolts, shall have telltale holes 3/16 inch to 7/32 inch diameter and at least 1 1/4 inches deep in the outer end.
(b) Reduced body staybolts. On reduced body staybolts, the telltale hole shall extend beyond the fillet and into the reduced section of the staybolt. Staybolts may have through telltale holes.
(c) Telltale holes kept open. All telltale holes, except as provided for in § 230.41, must be kept open at all times.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.