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 6645-00-496-9720
NSN 5990-01-336-3976
NSN 5920-00-805-7132
NSN 7035-01-378-9325
NSN 5975-00-541-8024
NSN 4140-00-450-1989
NSN 6240-00-686-5345
NSN 5998-01-440-2124
NSN 6645-01-292-9778
NSN 6240-01-502-7280
NSN 5920-00-584-4592
NSN 6135-01-014-9755