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 5910-01-333-9893
NSN 5835-01-631-7390
NSN 5999-01-435-6568
NSN 6240-00-548-3992
NSN 6685-01-641-6052
NSN 6220-00-396-0039
NSN 5975-01-551-9746
NSN 5999-01-502-7101
NSN 5835-01-658-4437
NSN 6130-00-316-5509
NSN 5935-01-466-8326
NSN 5960-01-649-1341