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 5996-01-640-6852
NSN 5855-00-256-5562
NSN 6135-01-487-0773
NSN 6145-00-226-9499
NSN 6150-01-101-6600
NSN 6240-01-448-3557
NSN 4140-00-229-8553
NSN 5925-01-241-2698
NSN 5915-00-450-2386
NSN 6320-01-021-6633
NSN 5965-00-499-8229
NSN 6240-00-170-5302