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 5975-01-412-0782
NSN 5920-01-189-8265
NSN 6105-01-478-6400
NSN 6150-00-036-0305
NSN 5985-00-162-9293
NSN 5915-00-802-0309
NSN 2925-00-180-2532
NSN 5985-01-367-0903
NSN 6105-01-506-0156
NSN 5996-01-541-5787
NSN 5998-01-290-7212
NSN 5855-01-178-1130