BSI BS MA 6
BS BS MA 6 1970-JAN-01 nternal Doors and Frames
Specifies dimensions for two basic types of doors, in three nominal sizes of 600 mm, 700 mm and 800 mm. The standard does not specify either material or details of door furniture. Relates to all internal doors installed on board ships, but excluding Class A (SOLAS) and small cupboard doors.