33 C.F.R. § 401.70 Fendering—explosive and hazardous cargo vessels.
Title 33 - Navigation and Navigable Waters
All explosive vessels requiring a permit in accordance with §401.68 and all tankers carrying cargo with a flashpoint of up to 61 °C, except those carrying such cargo in center tanks with gas free wing tanks, shall be equipped with a sufficient number of non-metallic fenders on each side to prevent any metallic part of the vessel from touching the side of a dock or lock wall.
Title 33: Navigation and Navigable Waters
PART 401—SEAWAY REGULATIONS AND RULES
Subpart A—Regulations
Dangerous Cargo
§ 401.70 Fendering—explosive and hazardous cargo vessels.

