46 CFR § 153.400
General requirements for gauges
April 15, 2021
(a) Columnar gauge glasses must not be installed on a cargo containment system.
(b) Flat sight glasses must meet §38.10-20(h) of this chapter.
(a) Columnar gauge glasses must not be installed on a cargo containment system.
(b) Flat sight glasses must meet §38.10-20(h) of this chapter.