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 2925-01-554-5246
NSN 7035-01-143-0355
NSN 5960-01-184-3436
NSN 6645-01-462-2101
NSN 6150-01-301-4658
NSN 6685-01-543-9649
NSN 4140-00-066-7932
NSN 5985-01-650-0539
NSN 5975-01-473-9669
NSN 5835-01-242-9806
NSN 5998-01-155-5168
NSN 5925-01-436-9833