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 6135-00-833-9909
NSN 5930-00-826-9248
NSN 6105-01-416-9297
NSN 6145-01-191-4630
NSN 5930-01-087-9074
NSN 6645-01-276-1029
NSN 6220-01-175-5518
NSN 2925-01-435-9057
NSN 5990-01-581-5103
NSN 6610-01-189-0953
NSN 5855-01-398-6704
NSN 5835-01-497-5029