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 5960-01-104-0074
NSN 6320-01-571-4530
NSN 5910-01-356-3192
NSN 7035-01-413-6697
NSN 6610-01-086-1879
NSN 5910-01-049-3153
NSN 5965-01-337-0250
NSN 5998-00-731-5800
NSN 5930-01-432-8781
NSN 5855-01-210-7636
NSN 6220-01-132-4575
NSN 4140-01-424-6438