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 4140-00-232-9859
NSN 5950-01-031-8293
NSN 5905-01-129-8091
NSN 5920-01-433-2261
NSN 5965-00-043-3463
NSN 5895-01-544-3254
NSN 4140-00-775-6836
NSN 6620-01-202-1703
NSN 5985-01-315-3284
NSN 5895-01-016-5025
NSN 6105-01-462-6111
NSN 6610-00-050-8873