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 6130-01-025-1540
NSN 5945-01-088-8039
NSN 5935-00-432-9520
NSN 5965-00-857-1038
NSN 5950-00-932-5595
NSN 5935-01-395-8651
NSN 7035-01-072-3451
NSN 5855-01-020-7982
NSN 6685-01-542-9418
NSN 5996-01-071-4828
NSN 6150-00-567-0624
NSN 6620-00-959-6614