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 5905-00-699-7723
NSN 6620-01-494-3739
NSN 6620-01-561-1633
NSN 6320-01-426-8947
NSN 5910-01-625-2292
NSN 6150-01-572-3460
NSN 6110-01-633-9660
NSN 6610-01-207-0045
NSN 5930-01-222-7511
NSN 6240-01-322-4887
NSN 6610-01-169-6134
NSN 4140-00-757-5270