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 6105-01-447-0007
NSN 5965-00-284-7806
NSN 5895-01-390-9672
NSN 7035-01-470-5613
NSN 5925-01-295-0612
NSN 5930-01-418-5847
NSN 4140-01-298-1630
NSN 6610-01-599-2491
NSN 5960-00-757-0126
NSN 5950-01-222-1021
NSN 5935-01-583-0290
NSN 7035-00-200-5162