§ 31.37. Fastenings.
53 words·~1 min read·
/us/cfr/t14/s§ 31.37·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Only approved bolts, pins, screws, and rivets may be used in the structure. Approved locking devices or methods must be used for all these bolts, pins, and screws, unless the installation is shown to be free from vibration. Self-locking nuts may not be used on bolts that are subject to rotation in service.