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 6320-00-270-8222
NSN 5965-01-386-2988
NSN 6645-01-476-8013
NSN 2925-01-065-0060
NSN 5996-01-601-0012
NSN 5905-01-586-3981
NSN 6110-01-229-2144
NSN 5925-00-275-7599
NSN 5960-00-234-5961
NSN 2925-00-343-3235
NSN 7035-01-068-3300
NSN 5960-01-141-6489