46 C.F.R. § 127.420 Strength.
Title 46 - Shipping
Each window or porthole, and its means of attachment to the hull or the deckhouse, must be capable of withstanding the maximum expected load from wind and waves, due to its location on the vessel's and the authorized route of the vessel.
Title 46: Shipping
PART 127—CONSTRUCTION AND ARRANGEMENTS
Subpart D—Construction of Windows, Visibility, and Operability of Coverings
§ 127.420 Strength.
