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 5960-00-650-7476
NSN 6620-01-290-2973
NSN 2925-01-317-4543
NSN 5895-01-271-5755
NSN 5925-00-001-7446
NSN 5985-01-265-5925
NSN 6610-01-249-3243
NSN 2925-01-633-4048
NSN 5895-00-654-5812
NSN 5855-00-821-7512
NSN 5835-01-441-4746
NSN 5925-01-163-0160