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 5920-01-397-5598
NSN 5960-00-692-2887
NSN 5935-00-970-1972
NSN 5999-01-444-2091
NSN 5999-01-063-3540
NSN 5910-00-594-0655
NSN 6620-01-633-8443
NSN 6650-00-172-7519
NSN 5945-01-286-5809
NSN 6685-01-113-4470
NSN 5999-01-110-0673
NSN 6650-01-594-9915