By Vicki Veach— YORKTOWN, IN—When you fasten your seat belt, you probably never think about the small metal parts inside it. Yet some are made by Mursix Corporation, a Yorktown manufacturer. Mursix produces a variety of metal and plastic components. These include safety-critical components for automobiles, trucks, recreational vehicles, buses, and child safety seats. Examples include seat belt buckles and the channels they clip into, airbag clips, and steering and brake parts—all parts that can save lives. Mursix also produces parts for commercial building door locks, hospital equipment, appliances, and many other products people depend on every day. These parts…