What are common fastener types used in aviation and how do coatings affect their use?

What are common fastener types used in aviation and how do coatings affect their use?

• A. Wood screws; coatings irrelevant.
• B. Plastic rivets; coatings standard.
• C. AN, MS, NAS fasteners; coatings like cadmium or anti-sieze reduce corrosion or galling; use per spec.
• D. No standards for coatings.

Answer: (C)