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 5975-01-147-0325
NSN 6320-01-629-1277
NSN 6610-01-142-3633
NSN 5915-00-805-9250
NSN 5999-00-068-0010
NSN 5998-01-076-9378
NSN 5855-01-564-6511
NSN 5895-01-393-7178
NSN 6220-01-461-2910
NSN 2925-00-275-1807
NSN 7035-00-476-7178
NSN 5999-01-285-4708