CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER F—MARINE ENGINEERING (parts 50 to 64) > PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS > SUBPART B—Standards for an MPT (§64.11 to §64.55) > 64.51—Tank parts marking.

64.51—Tank parts marking.

Any part of a tank furnished by an outside supplier may not be used in a tank unless it bears—
(a) The Coast Guard symbol;
(b) The Marine Inspection Office identification letters;
(c) The word “part”;
(d) The manufacturer's name and serial number; and
(e) The design pressure.