IATA Cabin Crew & Passenger Security - UN Specification Markings

Packaging specification markings are those that identify the design or specification of a packaging, regardless of its use for a particular shipment. Packages that require UN specification markings are subject to performance tests to ensure that the package is properly designed to adequately contain its contents under normal conditions of transport. The type and severity of the performance tests are dependent on the degree of danger of the intended contents.

4G — Packaging type code; "4G" indicates a fiberboard box
X — Packing group designator
10 — Maximum permitted gross weight of the package, in kilograms
S — Indicates whether the package is used to contain solids or inner packaging
XX — Year in which the package was manufactured, for example, "12"
USA — State authorizing the allocation of the mark
T7402 — Name or identification mark of the manufacturer

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