This is a contract for the manufacture and certification of a Breech Door Assembly, designated as SPECIAL EMPHASIS material for a crucial shipboard system. The work involves strict adherence to numerous military and technical specifications, including detailed requirements for materials, welding, brazing, non-destructive testing, and quality assurance. Final delivery of material is required on or before 20 days after the effective date of the resulting contract. The contractor must provide a comprehensive quality system and all welding/brazing procedures and qualification data require prior government review and approval.