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 5990-01-147-5225
NSN 6135-01-322-4655
NSN 5945-00-124-4799
NSN 6240-01-370-2518
NSN 6620-01-617-1885
NSN 5950-00-361-9481
NSN 6620-00-995-4958
NSN 6105-00-519-2983
NSN 6320-01-648-5538
NSN 5930-00-619-5403
NSN 5996-00-522-0841
NSN 5905-00-884-2722