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 5965-00-230-4162
NSN 5905-00-531-9473
NSN 6135-01-459-1239
NSN 2925-01-545-2717
NSN 6145-01-450-8419
NSN 6150-00-173-3964
NSN 6645-01-091-9363
NSN 6105-01-477-2857
NSN 5945-00-697-7257
NSN 6650-00-283-0978
NSN 5895-01-515-2086
NSN 6620-01-128-3053