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 6145-01-136-4622
NSN 5996-00-867-9247
NSN 5905-00-379-4658
NSN 5930-01-461-7760
NSN 6220-00-299-7749
NSN 5998-00-067-4316
NSN 5999-01-172-0340
NSN 2925-01-527-8745
NSN 5960-00-809-2698
NSN 5998-00-359-7814
NSN 5930-00-932-2982
NSN 5835-00-051-9092