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 6220-01-274-5900
NSN 5999-01-142-2090
NSN 2925-01-285-0919
NSN 5930-01-056-2982
NSN 5985-00-576-0646
NSN 6240-01-605-1799
NSN 5985-00-060-2882
NSN 5935-01-039-9250
NSN 5915-01-419-6825
NSN 5915-00-233-9284
NSN 6110-01-351-7307
NSN 5996-01-356-1650