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 5985-01-217-7849
NSN 5960-01-539-1956
NSN 5910-00-581-2986
NSN 5910-00-753-7581
NSN 5930-01-277-7975
NSN 6320-00-228-5678
NSN 5835-01-242-9806
NSN 2925-00-654-3206
NSN 5835-01-106-1456
NSN 6135-00-871-3646
NSN 5996-00-615-4988
NSN 6150-00-612-1151