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 6145-00-702-0057
NSN 6240-00-740-8901
NSN 5998-01-261-6122
NSN 5895-01-406-3034
NSN 5990-01-132-4156
NSN 6135-01-472-9011
NSN 5855-00-337-3679
NSN 5950-01-416-7456
NSN 6610-01-532-4217
NSN 5930-01-524-9910
NSN 5990-01-118-8624
NSN 5950-01-227-1913