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 5998-01-324-1533
NSN 7035-01-053-4769
NSN 6650-00-272-2271
NSN 5975-01-208-8443
NSN 6145-00-181-9634
NSN 6130-01-338-7216
NSN 5925-00-203-1278
NSN 5999-01-138-8671
NSN 6110-01-369-0882
NSN 5935-01-493-4307
NSN 4140-01-466-6484
NSN 6650-00-819-1165