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 6105-01-045-0657
NSN 5996-01-399-2319
NSN 6105-01-382-6066
NSN 5990-00-452-9194
NSN 7035-00-541-8516
NSN 5915-01-297-8161
NSN 5935-00-681-1120
NSN 5945-01-291-3597
NSN 5998-01-634-0604
NSN 6105-00-355-8023
NSN 5905-00-277-7439
NSN 2925-01-519-1707