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 6150-00-798-5943
NSN 6150-01-443-0459
NSN 6645-01-200-5289
NSN 5998-01-044-4185
NSN 5915-01-044-2382
NSN 5965-01-486-9586
NSN 6130-01-072-6405
NSN 6610-01-600-5648
NSN 5965-01-564-3064
NSN 5950-01-121-2215
NSN 6645-01-577-7932
NSN 6135-01-341-8003