Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 24 Sanitary ware and parts thereof, of iron or steel 73 24 90 Parts of flushing water closets or urinals (fixed type) 73 24 90 93 Parts of flushing water closets or urinals (fixed type) Commodity Code Description 73 24 90 93 00 Parts of flushing water closets or urinals (fixed type)