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 6645-01-576-2691
NSN 6135-01-545-6582
NSN 2925-01-092-7335
NSN 5905-01-506-9949
NSN 5910-01-044-1994
NSN 6320-01-419-1225
NSN 6685-00-208-2898
NSN 5920-01-289-0852
NSN 6150-01-072-1304
NSN 5990-00-758-5930
NSN 6320-00-284-1524
NSN 5915-00-466-2840