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 5930-01-491-2873
NSN 6645-01-063-8243
NSN 5960-01-550-8038
NSN 5895-01-363-8160
NSN 5905-01-506-0781
NSN 5895-01-551-6749
NSN 5920-01-345-4097
NSN 6240-01-417-6330
NSN 6105-01-139-4066
NSN 6145-00-499-1131
NSN 6145-01-443-7444
NSN 6150-01-496-0863