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 5985-01-610-0882
NSN 6110-01-320-9066
NSN 5985-01-122-6928
NSN 4140-01-044-8808
NSN 5998-01-290-8013
NSN 6620-01-358-0205
NSN 6620-00-939-8902
NSN 6135-01-595-9328
NSN 5990-01-485-0260
NSN 5935-00-916-5459
NSN 5935-01-498-4102
NSN 5965-01-348-2493