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 6150-01-589-6902
NSN 5965-01-256-9460
NSN 5925-00-589-8989
NSN 5895-01-273-9896
NSN 6650-01-633-9147
NSN 6105-00-466-0588
NSN 4140-00-800-7204
NSN 5960-01-206-7763
NSN 6650-01-008-6080
NSN 5965-00-653-4782
NSN 4140-00-313-2358
NSN 5999-01-633-3127