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 4140-01-284-6485
NSN 5990-01-423-2219
NSN 6320-01-353-9753
NSN 5985-01-412-1085
NSN 6110-00-379-9693
NSN 6610-01-595-2847
NSN 5915-01-126-8315
NSN 5950-01-517-4356
NSN 5915-00-980-9721
NSN 5999-01-180-9754
NSN 2925-00-824-2186
NSN 5930-01-502-6910