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.
source: CGD 73-172, 39 FR 22950, June 25, 1974, unless otherwise noted.
cite as: 46 CFR 64.51