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 5925-01-041-5385
NSN 5960-01-658-9538
NSN 6320-01-387-3230
NSN 6685-01-592-3247
NSN 5915-00-060-0077
NSN 6105-00-664-1292
NSN 5998-00-035-5308
NSN 5915-01-158-6864
NSN 5925-00-155-2587
NSN 7035-00-020-2227
NSN 6645-01-381-2050
NSN 5965-01-208-6903