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 5990-01-378-1444
NSN 6220-01-607-9202
NSN 6130-00-217-7716
NSN 5950-00-233-5798
NSN 5950-00-553-9439
NSN 6105-01-492-8957
NSN 5855-01-222-1242
NSN 6110-00-372-4780
NSN 5915-00-430-5104
NSN 6610-01-057-2194
NSN 6610-00-937-0527
NSN 6620-01-160-8517