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 6320-00-402-6493
NSN 6145-01-350-3264
NSN 6150-01-232-4165
NSN 5965-01-177-3171
NSN 7035-01-568-5351
NSN 5930-01-128-7023
NSN 6645-01-603-1004
NSN 6135-01-432-1002
NSN 6130-01-442-6052
NSN 5895-01-094-5689
NSN 4140-00-969-3943
NSN 6610-01-132-1898