A piping device usually formed of nonferrous metal which is connected to a plumbing fixture for waste drainage and for the purpose of preventing sewer gas from backing up beyond a desired point by forming a water seal in the line. This is accomplished by its peculiar shape which is usually in the form of a letter p or s.
NSN 5925-01-357-5560
NSN 6130-00-704-6589
NSN 5855-00-494-9581
NSN 5905-00-682-2505
NSN 5855-01-339-7675
NSN 5998-00-340-1240
NSN 5945-01-634-0588
NSN 6150-01-013-0998
NSN 5998-01-352-1317
NSN 6145-01-432-2440
NSN 5925-01-182-4747
NSN 6610-00-987-9716