804-5959236 BOX PATCHES DRAWING.pdf

This is a technical drawing document for Box Patches for Damage Control, created by Naval Sea Systems Command. The drawing depicts a shimmed box patch assembly designed to repair damaged areas in bulkheads, with detailed component specifications and dimensions provided.

The document includes a comprehensive list of materials and assemblies required for fabrication, specifying steel plates of various grades and thicknesses, rubber silicone gaskets, and fasteners. Key assemblies include three sizes (ASSY-1, ASSY-2, and ASSY-3) with approximate weights of 29.7 lbs, 58.0 lbs, and 53.0 lbs respectively. The drawing provides specific dimensions, welding requirements, and material specifications for each component. General notes emphasize that all dimensions are in inches, require burring and breaking of edges, specify fillet and root gaps in welds, mandate aluminum backing strips on gasket installation, and confirm that the drawing is not for supplier procurement purposes. The document is identified with document number 53711 and was created on October 26, 2007, with a scale notation of 1" = 1'-0" for the assembly view.