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 6610-01-324-7017
NSN 6240-01-214-0308
NSN 6610-01-485-8973
NSN 6150-00-821-5561
NSN 5905-01-449-2477
NSN 5915-01-375-4659
NSN 5996-00-562-3838
NSN 6130-00-583-9925
NSN 6110-01-142-8624
NSN 5950-01-197-5916
NSN 5975-00-055-8870
NSN 6685-01-571-6867