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 6130-01-423-9287
NSN 5910-01-503-2822
NSN 6240-01-358-9980
NSN 5915-00-103-2631
NSN 5990-00-731-7458
NSN 6610-01-100-3662
NSN 5996-00-683-5176
NSN 5990-01-577-2120
NSN 6130-00-202-0027
NSN 6220-00-348-2411
NSN 5910-01-125-8194
NSN 5998-01-400-4079