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 5998-00-232-2137
NSN 5975-00-833-1776
NSN 6110-00-110-6392
NSN 6320-01-141-1665
NSN 6105-01-620-4471
NSN 6150-01-107-4841
NSN 5930-00-421-6362
NSN 6150-01-373-2685
NSN 5998-01-228-7633
NSN 5910-01-408-9861
NSN 5996-01-432-6124
NSN 7035-01-013-9889