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 5925-00-290-4451
NSN 5975-00-160-2407
NSN 5985-01-076-4710
NSN 5998-01-392-2249
NSN 5965-00-339-2743
NSN 5855-00-149-0766
NSN 6150-01-517-6167
NSN 6650-00-155-8431
NSN 5910-00-523-1436
NSN 6145-01-546-2603
NSN 5965-00-204-8513
NSN 6240-00-617-1818