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 5965-00-133-3031
NSN 5950-00-415-1186
NSN 5996-01-375-4583
NSN 5930-01-249-3120
NSN 5920-01-493-7498
NSN 5990-01-633-9503
NSN 5855-01-448-6138
NSN 4140-01-140-0966
NSN 6645-00-258-8547
NSN 4140-00-822-4447
NSN 6610-00-905-6780
NSN 6610-00-498-3257