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 5855-01-275-3111
NSN 6620-00-383-8740
NSN 6105-00-416-6922
NSN 5905-01-012-5516
NSN 6610-00-468-1958
NSN 5950-01-364-8368
NSN 6240-01-550-8991
NSN 5965-00-284-7456
NSN 6240-01-050-0834
NSN 5998-01-132-4184
NSN 6110-01-459-7709
NSN 6645-01-443-1103