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 6135-01-461-2915
NSN 5985-01-576-0071
NSN 4140-01-595-6685
NSN 7035-01-343-2186
NSN 5930-01-282-3451
NSN 5965-01-025-5129
NSN 6150-00-466-2892
NSN 5960-01-553-4557
NSN 5999-00-069-4557
NSN 5975-01-605-1999
NSN 5945-01-304-1623
NSN 5990-00-707-0731