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 5935-01-171-3683
NSN 4140-01-247-7758
NSN 5945-00-406-8194
NSN 6110-00-795-3706
NSN 4140-01-100-1223
NSN 2925-00-938-3797
NSN 6110-00-137-6576
NSN 6320-01-054-3046
NSN 4140-01-390-6348
NSN 5985-01-634-0635
NSN 2925-01-063-7876
NSN 5975-01-418-3278