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 5945-01-471-5965
NSN 5910-01-293-0100
NSN 5925-01-407-2549
NSN 2925-01-236-3547
NSN 6650-01-353-5903
NSN 6150-01-126-6585
NSN 6620-00-891-4658
NSN 6150-00-567-1650
NSN 6620-00-355-1734
NSN 6130-00-152-5100
NSN 6685-01-141-6130
NSN 5930-00-890-4295