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 5990-01-285-9478
NSN 6220-01-588-9368
NSN 4140-00-715-0010
NSN 6105-01-521-3937
NSN 5996-01-437-7234
NSN 6320-01-373-7171
NSN 2925-00-019-9649
NSN 6220-00-945-2342
NSN 6220-01-200-3410
NSN 5999-01-080-5341
NSN 5999-01-215-6080
NSN 5930-00-683-9446