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 6620-00-934-9150
NSN 5985-01-081-9976
NSN 4140-01-645-4628
NSN 6130-01-416-5685
NSN 5945-00-814-1787
NSN 5945-01-145-3179
NSN 5945-00-931-2161
NSN 2925-00-701-9991
NSN 5998-00-776-4637
NSN 5965-01-314-7333
NSN 6620-00-248-6950
NSN 6130-00-448-6966