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 6240-01-029-3316
NSN 5835-00-231-9544
NSN 6645-01-611-9391
NSN 6620-01-391-9829
NSN 5996-01-484-2181
NSN 7035-01-359-6108
NSN 6145-01-252-7675
NSN 5915-01-213-3247
NSN 5990-00-366-0112
NSN 5960-01-381-4692
NSN 6135-01-344-2442
NSN 6110-00-083-8901