Stainless Steel Sanitary Parts and Accessories Protects the Integrity of Fittings Sanitary parts and accessories are designed and constructed for use in medical, pharmaceutical, biological applications, as well as food and beverage industries, where cleanliness and sterility are required. These types of parts are constructed of materials that ensure a sterile environment and maintain sterility during use in different industrial applications. Sanitary parts and fittings normally have mechanically polished interior, clean surfaces, and sometimes polished exteriors as well.