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 5920-01-440-5629
NSN 5935-01-626-1820
NSN 6220-01-532-0798
NSN 6685-01-298-4665
NSN 6650-01-585-8451
NSN 6620-01-169-2406
NSN 6685-00-555-3054
NSN 6685-00-276-9889
NSN 6110-00-418-9363
NSN 5925-00-199-8277
NSN 6105-01-556-4228
NSN 6650-01-179-3823