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 6685-01-319-9164
NSN 5910-00-080-1505
NSN 6145-01-280-4458
NSN 5935-01-228-7661
NSN 5965-01-063-7894
NSN 6320-01-527-0211
NSN 5985-00-187-0538
NSN 5945-00-629-8974
NSN 5930-01-206-4626
NSN 6645-01-314-7020
NSN 6150-00-536-0274
NSN 6685-00-952-0782