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 5905-01-341-4037
NSN 6240-01-218-5187
NSN 5975-01-259-4180
NSN 6240-01-512-1856
NSN 5920-01-080-3563
NSN 5990-01-425-2175
NSN 6240-01-180-3720
NSN 7035-01-211-5636
NSN 5975-01-170-4131
NSN 6610-01-357-4345
NSN 5855-00-149-0766
NSN 5915-01-474-6105