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 2925-00-816-8765
NSN 7035-00-009-8705
NSN 6645-00-868-1246
NSN 5985-01-019-5556
NSN 5930-01-090-4524
NSN 6620-00-172-3855
NSN 5910-01-094-7253
NSN 6130-00-783-5157
NSN 5855-01-342-3824
NSN 5915-00-156-7877
NSN 5935-01-400-5949
NSN 5996-01-430-3960