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 7035-00-104-7613
NSN 5985-01-125-5336
NSN 6650-01-579-2137
NSN 6645-00-445-8143
NSN 5905-00-469-1282
NSN 6220-01-047-2830
NSN 5975-00-701-8061
NSN 5905-00-242-7683
NSN 6135-01-612-9488
NSN 6620-01-382-4744
NSN 6240-01-433-3648
NSN 5925-01-111-4509