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 6620-01-494-9858
NSN 5895-01-212-3996
NSN 6240-00-319-4549
NSN 6110-00-229-9079
NSN 4140-00-177-6164
NSN 5965-00-187-2736
NSN 6150-00-413-7943
NSN 6105-01-285-8204
NSN 5925-00-402-4018
NSN 6240-00-440-3656
NSN 6685-01-041-4407
NSN 6620-00-730-8699