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 6645-01-040-8213
NSN 5945-01-484-0935
NSN 2925-01-065-0060
NSN 6220-01-576-1030
NSN 5945-01-473-0914
NSN 5915-00-230-1822
NSN 2925-01-159-8312
NSN 6610-01-433-2219
NSN 5920-01-371-2869
NSN 6240-01-144-5898
NSN 7035-00-188-6674
NSN 5996-00-289-9847