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 5945-00-110-7753
NSN 6150-01-373-4531
NSN 6685-00-959-1335
NSN 5855-00-821-7512
NSN 5905-01-573-2243
NSN 5965-01-358-6859
NSN 6145-00-807-8257
NSN 5975-01-314-0650
NSN 5998-01-625-4094
NSN 5915-00-036-9529
NSN 6110-00-938-2871
NSN 5855-01-167-2162