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 5920-01-442-4937
NSN 5855-00-288-1408
NSN 6150-01-054-3983
NSN 5990-01-340-1306
NSN 6220-01-423-7306
NSN 5910-01-367-7910
NSN 4140-01-044-6064
NSN 6645-01-629-9657
NSN 7035-01-381-6185
NSN 6105-00-111-5681
NSN 5950-01-170-4427
NSN 5945-00-113-2822