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 6240-00-844-5395
NSN 5925-01-159-2014
NSN 6130-00-987-7338
NSN 5965-00-920-0455
NSN 5920-01-270-0916
NSN 5835-01-457-7951
NSN 5975-01-587-1075
NSN 5990-01-054-3332
NSN 4140-01-600-6117
NSN 6135-01-128-5358
NSN 6150-01-515-5706
NSN 4140-00-938-2011