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 5975-01-412-0782
NSN 6130-01-534-6253
NSN 5998-01-192-5491
NSN 6610-01-433-2219
NSN 5965-00-246-5612
NSN 5930-00-556-2990
NSN 6105-01-255-3012
NSN 6320-01-116-3980
NSN 5996-01-420-6449
NSN 5895-00-492-8678
NSN 5935-01-644-4449
NSN 6240-00-589-4515