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 6130-01-549-6636
NSN 5960-01-295-8924
NSN 5920-01-179-5289
NSN 6650-01-399-8552
NSN 6685-01-539-3090
NSN 5996-01-606-2421
NSN 5930-01-495-6357
NSN 6135-00-284-1406
NSN 6240-01-244-2761
NSN 5905-00-265-1659
NSN 5996-00-101-0687
NSN 6645-01-609-4753