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 2925-01-567-8027
NSN 5905-01-582-5091
NSN 6110-00-420-1357
NSN 5925-01-232-6049
NSN 5945-01-634-0588
NSN 5915-00-816-6866
NSN 5999-01-205-7533
NSN 4140-01-285-4418
NSN 5950-00-618-0024
NSN 5910-01-234-0538
NSN 7035-01-603-4408
NSN 6610-01-123-2276