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 6650-01-392-0588
NSN 5985-00-538-7464
NSN 5935-01-340-0257
NSN 5985-00-730-6174
NSN 6240-01-240-7529
NSN 5960-01-533-5162
NSN 5975-00-338-4287
NSN 6610-01-214-5906
NSN 5920-01-647-0387
NSN 5998-01-032-9977
NSN 5930-01-065-0890
NSN 6620-00-366-1365