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 6240-00-450-0675
NSN 4140-00-068-0267
NSN 5920-01-450-8382
NSN 5925-00-467-6213
NSN 6620-01-492-8470
NSN 5855-00-149-0766
NSN 6620-01-276-9825
NSN 6620-00-235-4938
NSN 5935-01-384-3835
NSN 5999-00-781-7222
NSN 5910-01-282-6052
NSN 5895-01-167-7655