This standard is used to ensure watertightness between the main components (window frame, glass frame, and inner lid) of round windows for ships that meet JIS F 2413 and square windows for ships that meet JIS F 2421. Specify the dimensions and materials of gaskets.
JIS F 2411:1998 history
1998JIS F 2411:1998 Shipbuilding and marine structures -- Gaskets for rectangular windows and side scuttles