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 5910-00-387-4855
NSN 5905-01-025-2974
NSN 5965-00-726-3168
NSN 6135-00-471-5356
NSN 6145-00-345-2565
NSN 5960-00-355-7307
NSN 6150-00-834-4196
NSN 5855-01-485-3429
NSN 5960-01-474-4843
NSN 5945-00-583-3283
NSN 6220-01-414-5061
NSN 5895-01-239-4059