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 6685-01-370-1770
NSN 7035-01-425-4496
NSN 6130-01-102-1990
NSN 5855-00-055-1694
NSN 5935-01-056-5176
NSN 6145-01-533-7376
NSN 6150-01-515-7959
NSN 5965-01-060-2558
NSN 6135-01-465-0759
NSN 4140-00-753-6888
NSN 6135-00-583-3966
NSN 5925-00-910-7485