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 5999-01-314-8289
NSN 6650-01-457-8743
NSN 6610-01-455-4977
NSN 5910-00-935-0337
NSN 6620-01-279-0651
NSN 5950-01-479-6380
NSN 5950-00-288-0066
NSN 6105-00-195-9673
NSN 5999-01-399-0271
NSN 6150-00-945-2251
NSN 6145-01-616-3747
NSN 6240-01-032-4624