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 5975-00-558-2495
NSN 5960-01-470-1579
NSN 5910-01-574-9765
NSN 6150-01-557-9022
NSN 6645-01-162-3396
NSN 5920-01-476-8278
NSN 5905-00-938-3528
NSN 5895-01-556-4322
NSN 4140-01-610-1017
NSN 5910-01-458-4441
NSN 6240-01-655-7354
NSN 4140-00-640-6608