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 5975-01-272-8541
NSN 6145-01-089-9879
NSN 5960-01-468-6508
NSN 5935-01-398-1226
NSN 5965-01-610-5410
NSN 5965-00-405-3793
NSN 5999-01-122-6432
NSN 5930-01-318-8311
NSN 6220-01-285-3304
NSN 6620-00-248-6950
NSN 6650-00-680-9595
NSN 6620-00-754-7494