View all text of Subpart B [§ 178.33 - § 178.33d-3]
§ 178.33a-2 - Type and size.
(a) Single-trip inside containers. Must be seamless, or with seams welded, soldered, brazed, double seamed, or swedged.
(b) The maximum capacity of containers in this class shall not exceed 1 L (61.0 cubic inches). The maximum inside diameter shall not exceed 3 inches.