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 6240-01-111-0476
NSN 6650-01-379-8012
NSN 5945-00-167-7544
NSN 6145-01-607-9030
NSN 6130-01-464-0628
NSN 6650-01-290-4001
NSN 6320-01-622-2456
NSN 6240-01-483-0449
NSN 6240-01-389-6918
NSN 5975-01-196-6314
NSN 5895-00-827-0240
NSN 5999-00-192-0263