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 2925-00-728-8118
NSN 6645-01-584-0892
NSN 5998-00-184-0949
NSN 5925-00-199-5858
NSN 5950-00-469-9426
NSN 5930-01-380-1616
NSN 5945-01-202-1364
NSN 5925-01-262-5031
NSN 6645-00-356-5705
NSN 5990-00-394-3987
NSN 5920-00-967-1396
NSN 5985-00-285-6455