Coast Guard Regulations (46 CFR Part 56) require steel tubing connections and fittings used with diesel fuel oil systems, to be either flared or __________.

Correct Answer: Option A — of the flareless nonbite type

Title 46 CFR Part 56 strictly mandates that steel tubing connections and fittings for marine diesel fuel systems must be of the flared or flareless nonbite type to withstand continuous mechanical vibration and high pressures.