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 6610-00-700-3679
NSN 5835-01-321-7895
NSN 4140-00-113-8215
NSN 5950-01-351-0254
NSN 5998-01-524-2476
NSN 5950-01-141-5850
NSN 5998-00-076-9661
NSN 6135-01-443-7716
NSN 6135-00-334-4500
NSN 5990-01-500-5412
NSN 5960-00-174-1867
NSN 5975-00-817-4476