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 5920-01-464-8480
NSN 6105-01-433-1856
NSN 5965-00-524-3402
NSN 5910-01-551-8720
NSN 5998-01-206-8594
NSN 5855-00-904-9572
NSN 5999-00-107-2615
NSN 5895-01-034-4533
NSN 6105-01-338-6249
NSN 5895-01-615-8282
NSN 6645-00-596-5388
NSN 5910-01-486-8301